Lauren and Amy think one of their parents is having an affair. Karma and Shane feel insecure in their relationships.

Karma and Shane try to one up each other; Amy is surprised by new feelings.

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

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.