Mackenzie "Mickey" Molng, a hard-living, foul-mouthed, cigarette-smoking woman, moves to affluent Greenwich, CT to raise the spoiled kids of her wealthy sister who has fled the country to avoid a federal indictment. She quickly learns what the rest of us already know - other people's children are awful.
Mickey and the kids are forced to downgrade from their temporary residence at a hotel after their financial advisor cuts them off due to excessive spending. Mickey and Sabrina refuse to accept the decision and launder up a plan to prevent anyone from stopping their stride. Meanwhile, Jimmy teaches Chip that the tricks to living in a luxurious hotel can be simple.
Mickey's relationship with Alba is tested when Greenwich divorcee Trish hits rock bottom and becomes the perfect new friend for Mickey. When Mickey sends Jimmy over to help Trish with some home repairs, she begins to question just how casual her relationship with him really is. Meanwhile, Sabrina and Ben take a shot at Chip’s ego.
Mickey takes Sabrina to visit her mother in jail to gain closure, but it turns out Mickey may be the one who needs it the most. While visiting his father, Chip learns that he is in danger behind bars and enlists Jimmy for help. Meanwhile, Ben inadvertently distracts the bullies.
Mickey and Jimmy throw a Halloween party in their spooky, charred mansion but things get out of hand. Sabrina hopes to use the house party to cement her legacy, which her parents have tarnished, and Mickey teaches some pranksters a lesson.
When Mickey finds out Ben takes medication to keep him focused, she is determined to prove that he is a perfectly functioning kid without it. She and Alba take over his struggling science fair project, but become overly invested, while Jimmy helps Chip make his secret boys club cool again.
Mickey and the kids go to great grandmother Rita Pemberton's 100th birthday celebration at her huge mansion. Mickey takes advantage of Rita when she discovers that Rita believes Mickey to be an old friend, but later learns that their friendship was more than just platonic. Meanwhile, the kids' grandmother, Tippy, gives the family an unexpected surprise.
Mickey and Jimmy bring the gang back to their hometown of Warwick to celebrate the retirement of Jimmy’s high school baseball number and discover how much of a big shot he was. When they meet up with old friends, Jimmy learns that Mickey may have had a hand in ruining his chances at a professional baseball career. Meanwhile, Chip and Sabrina find themselves in a pickle with some spoiled Warwick teenagers.
Sabrina's relationship with her poetry teacher has Mickey concerned, so Mickey takes matters into her own hands and humiliates the both of them in front of her peers. Meanwhile, Chip enlists Jimmy's help to improve his ranking on the 8th grade hot list.
After finding out that he is the product of an affair his mother had a long time ago, Chip decides to seek out his biological father. Meanwhile, Mickey and Jimmy re-examine their relationship.
Sabrina decides to throw a get-together with talented artists in order to impress them. After learning that Ben's new friend has a celebrity mom who loves art, Mickey decides to co-host the event in order to sway her. Meanwhile, Chip goes on a spontaneous camping trip with Howard.
Sabrina believes she's a shoo-in at Yale, but on the day of her interview, she takes a risk that may ruin her chances and jeopardize her future. Meanwhile, Alba gets a visit from her cousin and must pretend to be a maid again, so her family doesn't disown her.
Mickey and the gang take a trip to New York City and discover that Jimmy is flourishing at an investment firm. While chatting with the firm's partners, Mickey sings Jimmy's praises in hopes that they will give him a promotion. Meanwhile, Chip visits his biological father.
When chaperoning Ben’s school field trip to a trash dump, Mickey and Alba discover that an unfamiliar young boy made his way on the bus back. The two work together to return the lost child but make it extremely difficult for themselves along the way. Meanwhile, Chip and Sabrina take advantage of Colonel’s status as a veteran, only before it comes back to bite them.
Mickey and the gang accompany Alba to church, after she admits she may have a substance abuse problem. When she invites her priest over for Sunday football, the Pembertons take a liking to him. Meanwhile, Ben questions his belief in God, forcing Jimmy and Sabrina to guide him.
Mickey teaches Chip and his friend how to gamble, and they end up losing a large sum of money. In an attempt to win the money back, Mickey uses Sabrina's new relationship with the Junior National Women's Soccer team captain to place a bet on one of their games. Meanwhile, Jimmy becomes overly invested in the soccer team's success.
After Ben wets the bed at a sleepover with fellow classmates, Mickey, Alba and Jimmy go to extreme lengths in order to save his reputation. Meanwhile, when Sabrina loses her fake ID, Chip offers to help get her a replacement in exchange for a night out with her and her friends.
When Alba leaves to go on vacation, Mickey appoints Sabrina to babysit Ben when she and Jimmy leave for a night out. When Sabrina decides that a night out with her friends is much more appealing, she and Mickey get into an argument and end up in jail. Meanwhile, Jimmy meets a new friend.
After Jimmy purchases an old beat up car from a police auction, he and Mickey accidentally lock Ben inside. Meanwhile, Alba catches Chip secretly pretending to be Sabrina's online crush and SHE encourages him to keep it going.
When Mickey and Alba catch Ben lying and try to teach him a lesson, naturally their plan backfires. Meanwhile, Chip devises a spiteful plan to be crowned "Prince" at his school formal, and Jimmy teaches Sabrina how to dance.
Following graduation, Mickey and Alba discover that Sabrina is having second thoughts about attending Yale. In their attempt to sway her decision, Alba finds herself heavily involved at a Yale Alumni reunion event. Meanwhile, Chip is keen on re-branding himself before he starts high school, so naturally he decides to throw a party to prove his status.