Watch Relationship Killers (1970) : Full Movie Online Free “Relationship Killers” is a dark, character driven, romantic suspense thriller about two women with a dark secret. They are nearing the end of their second year of marriage, and though they still love each other, the excitement of being newlyweds is starting to wear off. Now they are stuck with the knowledge of each other’s hot button locations and areas of sensitivities while growing increasingly fed up with each other’s idiosyncrasies.