Male chauvinist Mike attempts to get an intelligent burgeoning feminist Delilah into his harem. When she resists, Mike then poses as his brother Herbert, but in the process falls in love with Delilah.

Chris is not getting along with boyfriend Sandor and has an affair with parole officer Dennis. Dennis invites the couple to dinner with his ex-girlfriend Jan. At a picnic on the beach, Jan meets lifeguard Phil, who later sleeps with Chris and moves in with the other five. Phil brings in a person, lawyer Elaine. The "group marriage" of the six of them attracts media attention,

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.