She takes the same train every day. But this is a journey she’ll never forget.

Amanda is a hardworking single mum, completely focused on her job and her daughter, Louise. She’s been saving for years and now, finally, she can afford to give up work and chase her dream.

But then, on her commute home from London to Brighton, she meets a charming stranger - who seems to know everything about her.

He delivers an ultimatum. She needs to give him the code for the safe where she keeps her savings before the train reaches Brighton - or she’ll never see Louise again.

Convinced that the threat is real, Amanda is stunned, horrified. She knows she should give him the code, but she can’t. Because she also knows there is a terrible secret in that safe which will destroy her life and Louise’s too…