Season: 5 | Episode: 2 | Length: 60m

The investigation takes a dangerous turn when suspicion falls on a ruthless 1970s gangster, whose son is still a force to be reckoned with in London's gangland. A disturbing piece of evidence leads Robin and Strike into the city's underworld, and Robin risks her life by pursuing a vicious suspect. A surprise visitor appears at the office, claiming to have a signed confession from the killer.