Cry Me a River (S10E05)

When a young woman receives the results of her paternity test, it unexpectedly brings to light a long-closed murder investigation from the gritty 1980s Soho scene, centering around the enigmatic former jazz singer, Angela Gold, who was the main suspect. At the same time, the atmosphere at UCOS becomes tense with the arrival of Dan Griffin, a recently retired officer, who joins the team and shakes things up.