When famous thriller author Frank O'Toole is found stabbed through the heart in the middle of the ocean, Jack and his team are baffled. But as the spotlight turns on Frank's closest friends and family and secrets are exposed, Jack uncovers a murder plot worthy of one of his novels...

Jack and the team uncover a nest of vipers when a zoo owner is killed with a tranquiliser dart and everyone has an alibi.

When a TV news presenter is found strangled in her pool, Neville is sure that her popular co-host is guilty. But given that he was live on air at the time of the murder, how could he have done it? Meanwhile, the team welcomes back an old colleague.