After her discoveries about Andrew’s past, Laura’s mission to prove his guilt steps up a gear in this almost unbearably tense penultimate episode.

Rapist Andrew is trying to ensure his safety by stashing away crucial evidence, leaving put-upon Laura reeling and isolated after another shocking revelation.

As DI Vanessa Harmon starts to piece together what the wily surgeon has done to her as well, Laura makes a dangerous move to ensure that Andrew pays for his crimes.