Sweetheart is a story of abuse and submission. A love triangle twisted by outsiders results in the subjugation of all parties involved. Mabel is a wealthy housewife. When her cheating husband leaves her one morning to go to work, her house is invaded by two robbers. Seeing more than what they came for, the robbers subject Mabel to one sexual abuse after another. When Mabel's lover Jack arrives, he too is sucked into a trap to the amusement of the robbers. While the robbers are indulging themselves, Mabel's husband returns with his mistress. They discover what is going on and try to talk the robbers into getting rid of Mabel for them. The robbers, not wanting to miss an opportunity, take full advantage of the situation in a sexual revenge never seen on the screen.