Episode 4 (S03E04)

Trish revisits the crime scene, hoping to jog her memory about the assault. Meanwhile, DC Katie Harford believes she’s onto something when she identifies a new suspect lacking an alibi. Cath shares intriguing details about her party night, and a match is found for the male DNA collected from Trish. Just then, an unfamiliar woman enters the police station, adding to the unfolding mystery.