DCI Lewis leads an investigation into the murder of a private investigator. The team investigate the detective agency and discover that the dead man had been working on behalf of a convicted criminal, but DS Shap appears to be pursuing his own agenda. Janine takes some time off work to deal with Tom, who has been playing truant.

Second of a two-part story. Janine desperately tries to sort things out with her son Tom whilst heading up this tough murder enquiry. With Shap's protection of a murder suspect now exposed, the team face a race against time to find the real killer.