Catalyst

4 stories about 4 criminal children. Two teenagers trapped in a world full of drugs and human trafficking, another two kids bring their loved ones to the limit, other two resentful kids want to fulfill their most evil desires, and one kid who has to decide between killing or loving.

On the night before ‘Black Friday,’ which is the one of the busiest commerce days, a cardboard box, that is delivered from the world's largest shopping site, explodes. Soon after, a series of mysterious explosion cases occurs. The entire nation becomes terrorized by the shocking events. Funado Erena has just began to work as the center director for a large distribution warehouse that covers three-quarters of the Kanto area. Erena must gain control over this unprecedented situation with team manager Nashimoto Ko.

A young woman fakes her own death in an attempt to escape her nightmarish marriage, but discovers it is impossible to elude her controlling husband.

Serial killer Shinju Shinagawa , called "Shinagawa Pierrot" for her clown makeup at arrest 3 years ago, remained silent during her first trial. Child consultation center worker Arata Natsume suddenly gets a request from Takuto Yamashita, the child of one of the serial killer's victims, who informs him that he's been corresponding with Shinagawa in his name in order to find out what she did with his father's missing head. Arata pretends to be an elite civil servant but finds that the Shinagawa he meets is different from the one he expected. When she realizes he isn't the sender of the letters, she goes to leave. In a panic, Arata, who never planned on getting married, blurts out "Let's get married!"

Gail and Tom Hartman are struggling to stay together and decide to take a white-water rafting holiday adventure in Montana for their son Roarke's 10th birthday, only to meet up with a pair of mysterious men whose desperation grows, turning their vacation into a nightmare.