The brother and fiancee of a dead policeman infiltrate a female-led biker gang to uncover his murderer.

When an experimental flying saucer crashes, secret agent Matt Helm has to bring back the secret weapons hidden on board.

The handsome top agent Matt dies a tragic death in his bath tub - the women mourn about the loss. However it's just faked for his latest top-secret mission: He shall find Dr. Solaris, inventor of the Helium laser beam, powerful enough to destroy a whole continent. It seems Dr. Solaris has been kidnapped by a criminal organization. The trace leads to the Cote D'Azur.