Margaret O'Halloran is a dog trainer with a unique talent and a nose for a mystery. Now an old lady has been savaged to death, her faithful dog is the prime suspect. But Margaret smells a murderer of the two legged variety.

In the year 2022, a ruthless prison warden has created the ultimate solution for his most troublesome and violent inmates: Absolom, a secret jungle island where prisoners are abandoned and left to die. But Marine Captain John Robbins, convicted of murdering a commanding officer, is determined to escape the island in order to reveal the truth behind his murderous actions and clear his name.

Cody's childhood friend Mack provides a tip about a burglary in progress. Mack later turns up dead and Cody investigates another friend Jimmy Catter.