A magnate and his younger wife hire David to teach guitar to their teenage daughter. The wife quickly seduces David, and simultaneously he strikes up an acquaintance with the family s inquisitive neighbor. One night, David is mugged but rescued from injury by a stranger, Daniel, who also becomes David s friend and admits to being a hit man. Video tapes of their activities appear in the lovers mail; David thinks they re from the neighbor, Daniel is sure the husband is onto the affair and hired the mugger. After Daniel tells David that he s been hired to kill the husband, an elaborate manipulation plays out, with murder, suicide, a payoff, more videos, and a surprise pairing.