Deliveryman Jong-su is out on a job when he runs into Hae-mi, a girl who once lived in his neighborhood. She asks if he'd mind looking after her cat while she's away on a trip to Africa. On her return, she introduces to Jong-su an enigmatic young man named Ben, who she met during her trip. One day Ben tells Jong-su about his most unusual hobby.
Love never hurt so good for two co-workers who enter a contractual relationship as partners in consensual play, pleasure and pain.
A working single mother comes home one day to find that her daughter and the nanny have disappeared -- and this is just the beginning of her nightmare.
