Joss pushes her new relationship with Harry faster than she should. A misunderstanding between Karen and Vivian leads to a deepening of their friendship and a surprising act of intimacy. Lucy's sexy headmaster, Blair, teaches April a thing or two about parenting while on a school camping trip. Calista finds herself getting pulled back in by Luca, but just as she lets her guard down it's clear that Luca has ulterior motives.

Calista seeks revenge on Luca for his manipulative ways. Meanwhile, Karen wrestles with her feelings as she, Alec and Vivian decide how to proceed; Marc's questionable actions with the kids push April toward Blair; and Joss and Harry react differently to their breakup.