Happy Valley

Tommy finds a way of keeping an eye on Ryan from behind bars. Catherine becomes a suspect after she discovers a dead body.

Catherine arrives home with Ilinka, an emaciated Croatian woman who has been rescued after being trafficked and enslaved.

Tommy urges Frances to go further with her attempts at making Catherine's life a misery. John begins to sweat when a new body is discovered.

A gift for Ryan on his tenth birthday reminds Catherine that danger may be closer than she thinks.

Daniel suspects somebody at school might be responsible for Ryan's new-found interest in Tommy.

Catherine confronts a delusional Frances, while John's torment leads him to desperate measures.