Screams, howls and cries can be heard in the haunted mansion. Tina, Nayeli, Pablo and Ricardo get scared and run away. Also, a ghost appears laughing and disappears.
Sofia is happy to see that Chon put the photo she was looking for on an altar. Meanwhile, Antonio is surprised when Ricardo tells him that Sofía died. But later, everyone is happy to see that the girl returns home.
Alfonso introduces himself to Sofía and tells her that Chon is his uncle. On the other hand, Mercedes warns Esteban that Sofía will soon leave the house. Meanwhile, Antonio gets upset with his daughter because he doesn't know how to solve her math book.
Don Darvelio receives Sofía and Alfonso and tells them that he has been waiting for them and that he is having fun scaring away the neighbors. Don Darvelio explains to them why he decided to pretend to be dead and explains what an alegrije and a rebujo are.
Alfonso leaves the Don Chirrión doll in Sofía's bedroom. Don Darvelio tells Alfonso that he has a hidden camera. On the other hand, Mercedes takes the doll from Sofía and gives it to Esteban. Angélica and Sofía meet and become friends.
Alfonso tells Antonio that Sofía does not want to go to Monterrey, while she asks her father not to go live somewhere else because she will miss her friends a lot. Esteban gets upset with Mercedes because of her change of attitude towards her sister.
Alfonso tells Don Darvelio that he did not steal the coins, but Chon throws him out of the mansion. The director accepts that Sofía take the exam again. Pablo tells Ricardo that they turned him into a werewolf.
Ricardo reaches for the coin and puts it away. On the other hand, they rescue Nayeli and Alfonso from the well. Don Darvelio asks the children to keep his secret. Consuelo tells Angélica that she does not want her to suffer for love.
Bruno chases Rogelio to Angélica's house. Elvira gets upset and thinks that Matías is faking amnesia so as not to say where the screen is. In front of Angélica's house, Bruno plays with Rogelio's car, activating the alarm.
Don Darvelio tells Alfonso and Chon that Sofía was the one who posted the photos in the neighborhood. Bruno tells Flor and Fito that Matías asked him to keep a package. Esteban confesses to Alfonso having pasted the photos.
When all the neighbors have found out that Don Darvelio is alive, they decide to go in search of him and prevent his children from going to the mansion. Bruno tells Angélica that Rogelio is a bad man.
The alegrijes think that Don Chirrión and his mansion are haunted. Don Darvelio tries to solve the damage in the mansion but it is difficult for him. While Chon sleeps, otherworldly things happen on TV.
Sofía and the other boys confess that the chitilingo thing is a lie and that they did everything to go to the mansion. Don Darverlio asks Chon where he bought the television and they realize that they were being spied on through the TV.
The alegrijes are victims of mysterious witchcraft. Ernestina's mother closely investigates Don Darvelio's mansion to convince the rest of the parents of her madness.
The joyers discover Esteban's antics. The police arrest Don Darvelio and the joyers unite in the mansion to prevent it.
The parents realize their mistake and apologize to Don Darvelio. The joy center will open its doors to children, although Don Darvelio predicts the arrival of a tragedy.
Angélica distributes her wedding invitations and confides her deep sadness to her mother. The evil witch Helga approaches the joys to begin her plan against Don Darvelio.
The joyers find a huge blue spider web and want to combat the threats. The witch Helga chases and terrorizes Tere.
La casa de los Alegrijes ha sido invadida por los croacos, por lo que Don Darvelio y los niños deciden abandonarla. Al no ser recibidos en casa de Mercedes, vuelven y descubren que Don Darvelio regresó y fue atacado por los croacos.
After defeating the Croaks, the children get sick from some powder that Hairy Duck put in the lemon water. Mercedes leaves the house because she feels neglected by her husband. The children try to get her to come back.
Helga prepares the flower of madness to kill Don Darvelio. To achieve this, she tries to give it to Chofis and Artichoke, but they reject her. However, Esteban, in order to win in the competitions, makes a deal with the witch. The Alegrije center is remodeled.
After being defeated and the children finishing off the Croaks, the witch Helga returns to attack again. Angélica cancels her wedding plans with Rogelio. Don Darvelio is in bed, possibly due to a tumor in his head.
At the hospital they discover that Don Darvelio does not have any tumor, however when he returns home the spell attacks him again, perhaps because of the mysterious flower. On the other hand, the children realize that they are not dead.
Don Darvelio realizes that he had been bewitched by the flower of madness. Seeing that he did not get the signature to keep everything, the witch Helga plans to attack everyone in the house. Everyone discovers that the person who put the flower on Darvelio was Hairy Duck.
The alegrijes participate in a skate competition and Alfonso gets hurt. Tere discovers that Ernestina can do great things and gets a job. Helga makes it believe that the mansion disappeared to achieve her terrible plans.
Helga and Don Darvelio have an intense fight throughout the mansion. Sofía and Alfonso put themselves in danger, but are rescued by Bruno who begins a courtship with Angélica. Don Darvelio's health weakens and everyone receives a lesson in love.
The joyers pay a well-deserved tribute to Don Darvelio after his death. Helga begins the plan to stay with the Alegrije center after learning of her death. A mysterious magician appears before Chofis and the joyers announcing his arrival.
The joyers are falling asleep, Artichoke and Chofis don't know the reason. An earthquake hits Don Darvelio's mansion and the parents go in to see if they can investigate something.
The joys defeat the elf of nightmares. Alegrijes and rebujos come to the reading of Don Darvelio's will. Esteban tells the others that Sofía and Alfonso are hiding a secret. Rogelio tells Tere that he knows the whereabouts of her sister.
Tere finds Helga, her sister, and realizes that she is responsible for so much evil. The alegrijes defend the Center from the rebujos. Helga poses as Don Darvelio's daughter to take down the Center.
Ernestina is bitten by a viper and Helga sucks the poison to save her, gaining the trust of almost everyone to deteriorate the harmony of the Center.
Helga befriends Chofis and tells him that everyone wants to be his friends, but Chon refuses.
Elvira and Matías crash the Mercedes truck. Sofía and Alcachofa argue because he does not want to enter the competition as part of the Alegrijes and goes with the visiting team.
Ricardo is upset because Sofía reconciles with Artichoke. The competition continues and the Alegrijes win. Helga fills Mercedes' head with bad thoughts about her family. Antonio discovers Esteban's evil towards his daughter.
Sofia and Artichoke have a plan to spy on Mercedes and Helga. Elvira questions Helga and pretends to be in pain. Sofía and Artichoke discover through the Chirrión doll's camera that the ghost of the mansion is a boy.
Ricardo has an accident when he sets himself on fire with a torch. Helga dresses up as a witch to get revenge on Elvira and gives her tea that turns her into a girl. Chelito becomes jealous of Tere and asks her an uncomfortable question.
Sofía asks Alcachofa if she can stay and live with him at the Alegrije Center. Elvira with the other children, Tina, Nayeli, Esteban and Pablo go to eat sweets and do mischief at the supermarket, they are arrested by the police.
Helga plans to end Angélica and Bruno's happiness at any cost, with the help of Irina they begin an evil plan. Chofis's relationship with her father is hindered by the jealousy of Mercedes and Esteban. The joyers plan a surprise.
Helga's spell has taken effect, so Bruno and Angelica are in constant conflict. The happy ones want to communicate with the little ghost but they only manage to bother the adults. Mercedes and Esteban get into trouble.
Antonio continues to be very upset with Mercedes. Helga tries to catch the ghost but fails, on the other hand the joys manage to communicate with him. Angélica and Bruno continue to have problems, and Bruno hurts Artichoke's feelings.