Two different guys get a strange delivery on the same day. What do Danny Andrews, grieving gambler, and Detective Inspector Tony Tate have in common? They have both been sent the same complex puzzle to complete. Unaware of each other, they both need assistance to get started, but events get in the way. Danny is shot at and takes flight. Tate is abducted from his home. Someone is playing with them. Is it a serial killer with a penhcant for Cluedo? In the end they have to solve it together or die, and if they survive, for one of them life will never be the same again.