Ji-seon is living with her sister and her husband after a divorce. Her sister Ji-yeong leaves for a work trip and Ji-seon is at home all alone with her brother-in-law. The two can't hide their sexual passion and they cross the line. Every time Ji-yeong leaves, the two enjoy risky sex...
DirectorLee Sang-woo
WriterLee Sang-woo
Part of
Includes: My Wife's Sister, My Wife's Sister 2, My Wife's Sister 3
