Tom's 15-year-old daughter Jess has started a relationship with schoolmate Ollie. When he meets the boy's mum Beth in a chance encounter, a spark is lit between the two married people and both their families' lives are turned upside down.
The tension sizzles as Tom and Beth are forced together to help Ollie and Jess, while Hannah demands consequences for the teens' betrayal, but that might threaten her marriage.
The pressure of supporting Neil through his trial causes Beth to unravel. Tom's consumed with the guilt of betraying his family, but it leads to more deception.
Jess' bombshell explodes everyone's lives. Tom and Beth's fantasy bubble is burst and they're faced with the consequences of their actions, but what does the future hold?