Steve Carnes, the son of a wealthy manufacturer, leads a useless life and is disowned by his father. After a night of gambling he returns, penniless, to his apartment. He is on the point of ending everything when his bell rings and he finds an abandoned baby on his doorstep. Steve and his valet, Hodges, attempt to pacify the child. The distracted mother, who has hoped to place the little one in a comfortable home, repents her act and comes to Steve's house, begging that the child be returned. Steve complies with her request and secretly follows her home. He sees that she lives in a disreputable tenement and finds a note from her husband's father, in which the latter states that the marriage was against his wishes and that the young woman has no claim upon him.

A couple of months have passed since the serial murder case. A new dead body is found in the same area. Detective Manabu Kagaya tries to find the truth. He goes to see serial killer Yoshiharu Urano in prison.

After a man accidentally leaves his smartphone in a taxi, he and his girlfriend are plagued by stalkers and cybercrimes.

Inspired by a true story, a young man from a good family becomes an effective and seductive con artist, crushing the dreams of innocent people in his wake.

Sequel to the 2020 film.