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.