On one gloomy night a writer encounters an unexpected paid visit by a woman of his past. From that day on, they cherish each other's body and divulge in ecstasy, although the man finds himself becoming slowly obsessed with her with every minute they spend in his room. But whenever the woman receives a phone call no matter the hour, she always bolts out of the door leaving the man behind utterly confused. While having no clue as to what she does outside, the man patiently waits and jots down his growing feelings for her in his journal. As this continues on day after day, their erotic relationship becomes threatened one day when he discovers that the mysterious phone call turns out to be her ex-lover who constantly abuses her whenever they meet. Set out to keep their obsessive relationship in tact, he recklessly goes out to seek revenge for his beautiful lover.