Amy returns to Austin. She and Liam are jealous of Shane and Karma's new friendship.

Amy and Liam keep a secret from Karma. As Amy and Karma feud, Lauren and Shane do damage control.

Trying not to think about Karma, Amy decides to do a documentary about Lauren. Karma and Shane decide to start a band.

Liam and his new 'girlfriend' get put in a sticky situation with Shane, her dad and her little sister whilst Relationships are on the rocks when Amy and Lauren aspire to reunite their parents.

Amy and Karma try to use a Halloween party as an opportunity to move on; and Shane is suspicious of Liam.

Karma's rivalry with Amy's old camp friend comes to a head; Liam tries to stay on Lauren's good side; and Noah's mixed signals confuse Shane.

Lauren's quest to save Christmas at Hester puts Amy in a difficult position. Karma helps Felix get ready to ask out Amy, and Shane learns a secret about Noah.

Karma looks for evidence to use against Sabrina, who's growing closer to Amy; Liam tries to set up Lauren; and Shane seeks advice.

As the new year approaches, Karma takes drastic measures to make Amy happy. The return of someone from the past makes Lauren insecure.