Santini goes on trial at the Old Bailey accused of the murder of Jessica Orton, but tries to talk to CIB and implicate Quinnan and Rawton. A prison guard tells Santini that Sherman's drugs charges are being dropped in favour of conspiracy to murder Santini and Fox, who turns up dead in her hotel room after an apparent suicide. With Ferguson executed and Timpney taken on side by Sherman's heavies, Santini's trial starts falling apart. Hagen is discredited by her Sun Hill colleagues when she lies under oath and breaks down in the witness box after being caught out. With Santini found not guilty, he is warned by his recently released cellmate that he is in grave danger from Sherman's heavies.

PC Sheelagh Murphy turns to her Catholic faith for guidance after her son Conor's announcement that he is gay, but the Church is not very helpful to her. She then asks PC Lance Powell for advice, but he tells her it's up to her to sort things out with her son. Murphy and Powell deal with a domestic violence case between two gay men, but when they hand the case on to CSU, DS Phil Hunter convinces the victim not to proceed. When Conor doesn't come home, Sheelagh accompanies Lance and Mark on a night out at a gay club to find him, and they witness the domestic violence first hand. DS Debbie McAllister is determined to prove that DCI Jack Meadows is making a mistake by reconciling with Rachel Heath. To prove Rachel is still ""on the game"", she gets PC Gary Best to call Rachel and make an appointment at a hotel. Meadows confronts Rachel at the hotel, but she insists she was merely going to hand the client on to a friend. DCs Rob Thatcher and Ken Drummond investigate an arson attack on an ice