Meet Rachel. She is caught in a spiral of endless crying, dirty nappies, and sleepless nights. She fears for her sanity and the safety of her children.

She's lonely.

Meet Adam. Suffering from the pain and trauma of a terrible accident that he blames himself for, he stays at home, unable to bring himself to leave the house.

He's lonely.

So when Rachel and Adam rekindle their long lost friendship online, what starts as a little harmless flirtation, soon becomes an unhealthy obsession, and slowly the threads of their lives unravel before them.

Four lonely people . Two unhappy marriages . One dangerous, but inevitable climax.