Shinichiro is surprised when Hitoshi, who was supposed to return to the countryside, asks to work at the nursery. Hanasaki also takes on a job for Keiko Imai, the mistress of a yakuza boss, to pay off a debt. Meanwhile, a newborn baby is abandoned at the nursery, and a mother threatens to sue over her child's injury.

Shinichiro is tasked with finding Shigenori Motoki, a Momoi Group member, to recover money and rough him up. While searching, Shinichiro meets Yoko Ono, who knows about the recently abandoned baby at the nursery. Meanwhile, Hitoshi attempts to help by acting independently.