How well do you know your friends?When Beth, Megan and Joanne meet at university, they become inseparable friends who'd do anything for one another - even agreeing to keep what happens one shocking night a secret.Now in their forties and outwardly successful, each of the three has dealt with what happened in their own way. But secrets and lies leave their mark.When Megan decides to tell her fiancée the truth about that night, it threatens to ruin the lives of everyone around her.And someone is prepared to do anything to stop that happening….