Karina, a female college student, is an innocent young lady who lives alone in an apartment bought by her father. One day, three rough-looking men break into her house. Her father's company has gone bankrupt, and they have come to collect the debt. In exchange for the debt, the men pin Karina down and repeatedly commit inhumane and lewd acts. From raw penetration to deep vaginal ejaculation... Karina begins to feel a twisted pleasure in this never-ending hell...