A family is slaughtered during dinner and their mansion ransacked. The sole survivor is the eldest son and heir - could he be a cold-hearted killer? For Simon, finding answers is complicated by the return of an old adversary.

The detectives are on the trail of armed robbers who have stolen a truckload of gold. The Armed Robbery Squad's Detective Calabrese returns with Simon squarely in his sights, and Stanley and Jarvis face the ultimate betrayal.