Jazz singer Rock Banyon finds himself accused of the murder of former lover, Fresno Foxglove, and world-class scientist, Wilbur Stygamian; when the police give Rock three days to prove his innocence, he flees to Mexico.

Rock takes shelter in Mexico with former lover, Delores; when Rock is pursued by Salizar, he and Delores flee Mexico to lose him.

Rock performs on a jazz television show and later meets Kenton Price, a close friend of Stygamian's; Rock is accused of a second murder and the mystery deepens.

While trying to uncover the mystery, Kenton Price is shot; Rock goes to Stygamian's house where he is drugged in a secret lair.

Rock learns new details about the circumstances surrounding the murders of Fresno Foxglove and Stygamian from a secret source.

Rock is pursued by the FBI and uncovers the true murderer.