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.