Malcolm marries Claire. Shortly after they are married she requests to see all his debts. He responds by drugging her and murdering her in a staged car crash. Several years later he moves to New Zealand where he marries Felicity, whom he also starts drugging. He clearly plans to murder her, by pushing her off a cliff but changes his mind when he finds out she is pregnant. Malcolm has no money and is in major debt, but doesn't tell Felicity.Episode 2
Felicity reveals to her father that her doctor is concerned about her liver (Malcolm has been drugging her). She narrowly escapes Malcolm attempting to murder her in another staged car accident. She discovers he has stolen almost her entire savings and has taken out numerous life insurance policies in her name. He returns to Scotland where he meets Simone. To gain her attention he claims to have chronic lymphatic leukemia and even shaves his head and eyebrows. Felicity has Malcolm's passport flagged, to prevent him from returning to New Zealand.Episode 3
Malcolm is now living with Simone. Charlie Henry, a Detective Inspector, is investigating him. He is arrested for stealing funds from the angling club, of which he is treasurer. He is also charged with possession of a firearm without a license and stealing a laptop. The court refuses to prosecute the first two charges and the third is dismissed on a technicality. Simone is presented with a letter by the police - telling her that Malcolm has a wife and son in New Zealand and that they believe she is in grave danger. She ends their relationship after giving him money and getting him to admit he lied about having leukemia. A year later, Malcolm is arrested for Claire's murder.