The lives of six hostages hang in the balance as a cornered drug dealer and his gang force Mannix to find and deliver a double-crossing member of their group.
At the start of a holiday weekend, Joe and a friend are locked in the friend's office vault by burglars who are looting every suite in the high-rise building.
A graduate student is accused of killing an anthropology professor who denied him a degree, when he thought that he young man had an affair with his wife.
A chance meeting between two Vietnam veterans proves fatal for one of them after they are spotted by a third buddy, a deserter who has no intention of being turned in.