Whitney Cameron is in a quandary: he's attracted to his beautiful sister-in-law, Lynn, but also harbors serious suspicions about her. Her husband, Cameron's brother, died under mysterious circumstances, and now that the death of her stepchild, Polly, has been attributed to poisoning, he suspects that Lynn is after his late brother's estate, and killing everyone in her way.
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?
Madame Rinaldi, owner of a bordello, helps thief Mario Forni locate an ancient buried treasure.
