True Romance, Pt. 2

S3, E7: Fitz asks DCI Wise to replace him with Irene Jackson. He believes the killer may stop killing once deprived of Fitz's individual attention. Janice changes tack and lures Fitz's son Mark to her flat, but when the police catch her she is alone. Mark Fitzgerald's life is in jeopardy and Fitz must use all his powers of interrogation to find his son before it's too late.