After Hee-jin's younger sister So-jin, who is possessed by a spirit,disappears,the neighbors die one by one and a secret underlying their deaths is revealed.
Una treintañera soltera y en paro decide buscar a su ex novio para reclamarle el dinero que le prestó antes de su ruptura. Él, un estafador con mucho encanto, le promete reunir la nada desdeñable cantidad ese mismo día. Como ella no se fía, lo acompañará en un viaje por la ciudad en el que recordarán cómo se conocieron. Íntimo estudio de personajes, en My Dear Enemy late una tensión casi hitchcockiana que crea una atmósfera envolvente en torno a los dos antiguos amantes.
Ju-eyon and Seong-tae have been best friends ever since they first met each other 10 years ago. But in one night their 10 year friendship comes crashing to the ground after they sleep together. The comfort and security of marriage is a siren call, and the two decide to forego their ideals to spend their first day as man and wife. However, their perfect lover soon appears right in front of them: A sexy editor appears to seduce Seong-tae and an advertising director appears to tempt Ju-yeon. With a single smile they turn the newlyweds dream into a nightmare. Even after only a few days, they soon find themselves faced with the worst choice of their lives as they struggle to reach happiness.
