In the wake of a Supreme Court decision to outlaw the death penalty, California passes an initiative that designates San Bruno island as a dumping spot for first-degree murder convicts, free to do what they like except leave. The main camp of convicts is controlled by the tyrannical Bobby, who rules with an iron hand, and the women are used as sex slaves. A.J. and a group of more free-minded murderers have escaped and gone into hiding. When A.J. and his men liberate the women from Bobby's custody, tensions mount to an all-out confrontation for control of the island.
In Columbo's first outing, a psychiatrist uses a patient he is having an affair with to help him kill his wife, but his perfect alibi may come apart at the hands of a seemingly befuddled LAPD lieutenant.
A brash, big-time investigative reporter, looking into the death of a call girl, uncovers her diary and tries to find her killer among the names contained in it.
When scientists use eco-terrorism to impose their will on the world by affecting extremes in the weather, Intelligence Chief Cramden calls in top agent Derek Flint.