This season Norma becomes increasingly fearful and desperate, going to great lengths to find Norman the professional help he needs. This further complicates their once unbreakable trust while Norman struggles to maintain his grip on reality. Sheriff Romero once again finds himself drawn back into Norma and Norman’s lives. Will things finally heat up between Norma and the other man in her life, Sheriff Romero, and just how much further will he go to protect her?
As the fourth season opens, Norma searches for Norman, who finds himself in unfamiliar surroundings. Dylan waits for news about Emma while Romero gets a surprising proposition.
Norma and Norman each suspect the other in a terrible deed; Dylan contemplates his future with Emma; Romero makes a choice that drastically impacts the Bates family.
Norma and Romero take a big step together; Norman attempts to accept his new surroundings; Dylan tries to shed old business.
Norman and his new friend have an adventure; Norma experiences her first taste of real happiness in some time during an annual festival in White Pine Bay; Dylan becomes caught between two families.
Norman tries to confide in Dr. Edwards, but worries he may reveal too much. Also: Norma hires a craftsman to fix a window and Romero uncovers a crime that threatens his new life.
Norman uncovers painful truths as his therapy progresses; Norma works to prevent a secret from being revealed; Romero assists an old friend despite the risk to his career.
Norman returns home after making an unanticipated discovery; Norma takes on new projects; Dylan's search for Emma's mother leads to disturbing results.
Norma is torn between Norman and Romero; during a holiday outing, Norman comes to the realization that everyone has changed while he was away.
Norma and Norman attempt to reconnect as they plan for the future; Dylan and Romero decide to take action for Norman's own good!