From the outside, Ella has the happy marriage, the cute kids and the comfortable home - inside, she craves something more. But giving in to temptation will stir up a whole heap of trouble . . .

Imogen's relationship with Pete was once fun and carefree but since they've become parents, everything is different. Then an accident provides the catalyst for a life-changing decision.

Fifteen-year-old Phoebe is miserable at home and at school. And now her dad, who was always her ally, seems completely distracted by something - or someone. Maybe it's time Phoebe took a stand, and took control of her own life.

As Ella, Imogen and Phoebe contemplate taking the biggest risk of their lives, marriages, families and friendships hang in the balance. Should they take the leap, or will they risk losing everything?