12 days earlier Patrick Barker's wife Rebecca catches him having sex with his step-daughter Sally, leading to terrible consequences. Barker is arrested but released as concierge Brian Sweeney supports the fake alibi he has concocted with Sally. Gabriel is not convinced that Rebecca was murdered by the serial killer but is interrupted by a call from Lisa to say their schoolgirl daughter Hannah is missing, Gabriel ultimately finding her passed out at a sex party in a rave club and feeling guilty to learn it is her response to discovering the affair with Elaine. Meanwhile Christine sees her chance to steal Isaac's computer and DC Andrea Read takes macabre revenge on bullying colleague Sam Myers.
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Did You Know?
First broadcast 9-10pm Monday, 25th September 2017 on BBC One in the UK, the number of viewers continued to fall dropping to 1,530,000. See more