In the Season 2 premiere, a shocking event in the Gregsons' neighborhood changes their lives and opens their door on Tara's family secrets.
Tara realizes that her "alters" are showing up again but keeps her condition a secret; Max decides to renovate the house they have inherited and flip it; a newly engaged Charmaine asks to move in with the Gregsons; Marshall dates a girl.
The truth emerges about Tara's alters, one of whom brings out a new side of Max; Neil finds out about Charmaine's engagement; Kate grows closer to Lynda, an older woman; Marshall and his girlfriend Courtney begin to experiment.
Tara seeks a new therapist as a new alter emerges; Max struggles with the infidelity committed by Buck; Charmaine has big news for the family; Tara and Max disapprove of Kate's friendship with Lynda.
Max's violent outburst comes back to haunt him; Tara discovers that she can remain aware of her actions when her new alter, Shoshana, takes over; Kate's music video is an Internet hit; Charmaine receives surprising news from her doctor.
A tornado forces the Gregsons to take shelter in their basement, where Tara's new alter Shoshana takes charge and reveals some long-buried secrets during a group therapy session.
An impending visit by a social worker has Max in a tailspin; Tara horns in on Kate's friendship with Lynda; Courtney pushes Marshall to the breaking point; Neil learns Charmaine's big secret.
A happy and healthy Tara prepares for an art show with Lynda, while Kate retaliates with a controversial new business; Marshall grows closer to his friend Lionel; Max makes a life-changing decision.
Tara hopes her work on a family portrait will prove healing for the Gregsons; Max distances himself from Pammy; Kate meets an intriguing man online; Nick asks Charmaine to take drastic measures regarding Neil.
Max holds an open house to show off his completed remodel; Tara and Charmaine ask their mother about Tara's childhood memories; Marshall goes cruising with Lionel; Kate's new man frets over their age difference.
Tara and Charmaine visit the woman from Tara's memories; Marshall starts to fall for Lionel; Kate tries to change herself for Zach, her new man; Neil leaves town; a new alternate personality arrives.
In the Season 2 finale, it's Charmaine and Nick's wedding day but Tara confronts her parents about her childhood memories; Kate and Marshall uncover a secret that could derail everything.
