The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.
Former war-time Army buddies now students in college decide to rip off a Reno casino.
Three delinquents murder a prosperous farmer at an isolated farm house. One witness to the crime - the dead man's secretary - is then taken hostage. The other witness - her young son - is thrown into state of shock. Can he recover soon enough to help the police - and his father - rescue his mother before it's too late?
