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...

• Four Seasons of Younghwasa
• Lee Chae-dam
• Kim Soo-ho
• Min Do-yoon
• Kim Ji-yeon