Carla reveals to Rob that she knows he’s lying and reckons he’s covering up for Tracy, the real murderer. As Carla reaches for her phone, intent on calling the police, Rob stops her. Rob explains that Tracy was actually driving a van load of stolen gear when Tina was murdered and they lied to the police knowing they’d both be sent down if they were caught.
Rob tells Carla how much he loves Tracy and how he’s looking forward to settling down. When Carla points out that Tracy’s false alibi means he too is without an alibi, Rob loses his temper and storms out. Carla’s taken aback by the ferocity of his outburst. Rob returns to the flat blaming it on wedding nerves. But Carla’s not convinced and asks him if he killed Tina.
Rob tries to deny it, but Carla pushes and pushes until Rob can’t take any more and finally confesses that he did murder Tina! As Rob begs a shocked Carla to keep his guilty secret and not to involve the police, Tracy tells Ken how much Rob means to her.