It is Christmas at Lime Grove and a time for much soul-searching. Kiki has gone missing and Hector's self-destructive behaviour spirals as Bel and Freddie search for the truth about what happened to her. Meanwhile, Randall tells Lix the real reason for his return but is she willing to dredge up a painful past?

Freddie and Bel's bond deepens as they make startling discoveries about the extent of Soho club-owner Cilenti's influence. Yet when a contact's life is endangered, Bel fears they've gone too far. Hector confronts old demons with Laurie - will he upset his team and protect his best friend? Lix and Randall receive uplifting news.

Bel is shaken by news of a source's murder and tries to put a stop to the team's pursuit of organised criminal Cilenti. However, the story is more tempting than ever when Freddie and Hector discover the depths that the corruption has reached, leading to chaos at the club. Is Bel right? Is Freddie charging towards a loaded gun?