Yin-ae has lost patience with her boyfriend Min-gu now that her period is one week overdue. She is seized with the fear of pregnancy but Min-gu contends that there is no chance at all. When she tells him “There are sperms in that fluid which is emitted before man ejaculates,” he himself searches for that fluid in the web page of Wikipedia.
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.
After being appointed as the vice-principal of her alma mater, Eun-hee becomes plagued by hallucinations. Branded a troublemaker by the teachers, Ha-young hears strange sounds coming from the school's dilapidated restroom.
Ha Yoon-ju becomes the newest member of a unit within the Korean Police Forces Special Crime Department that specializes in surveillance activities on high-profile criminals. She teams up with Hwang Sang-jun, the veteran leader of the unit, and tries to track down James who is the cold-hearted leader of an armed criminal organization.
In 2029, an elite police squad combats an anti-reunification terrorist group while another enemy lurks nearby.
A father goes all out to clear his daughter from any wrong doing in the murder of his fiancée. When all evidence points to her, he takes matters into to his own hands to save his daughter and outwit the judiciary system.
Boy has to pay for his cell-phone as a guarantee of concealing his toy gun theft.