Rumiko and Kenji's home, where they requested repairs for a broken air conditioner, is visited by Ichijo and Maki, who pose as repairmen. In reality, the two are repeat offenders who use repair jobs as a pretext to enter homes and force women into sexual acts. Targeted by these men, Rumiko gradually finds herself in grave danger. What begins as an ordinary household problem spirals into an intense, dramatic tale of infidelity and violation.