Sophie thought she and Jonah were happy, bringing up their small daughter, until one summer's day, she discovers that Jonah is far from the man she thought he was. Sam - an attractive English teacher - seems to offer her some comfort, and new friendships are a support.

But is Sam really who he says he is? Where have her new friends appeared from? Is anyone telling the truth? As Jonah's lies threaten Sophie and her daughter, can anyone be trusted?