DS Ellie Miller and DI Alec Hardy are called in to investigate a serious sexual assault in the Dorset community.

Ellie and Hardy realize that the location of the attack and all the surrounding circumstances are going to make this a difficult investigation.

Ellie and Hardy appeal to Trish to be more open with them. Trish receives an unnerving gift from an anonymous sender.

DC Harford discovers a new suspect who doesn't have an alibi. Cath reveals new information about the night of her party. Hardy and Ellie get a match on the male DNA found on Trish.

A new witness turns Trish's case upside down. Katie discovers a new link between the case and a key suspect. Beth tells her supervisor about Trish's case.

Ellie and Hardy bring in Ed Burnett for questioning. In a search of his premises, Ellie finds devastating new evidence linking him to the crime.

Important pieces of evidence come to light against all the key suspects in the case.

Ellie and Hardy uncover the truth behind Trish Winterman's rape, and lives in Broadchurch are changed forever.