When Ginji gets injured and his pals visit him in the hospital, chaos ensues: Ban and Shido wage a recovery war; Himiko loses her temper; Kazuki is mistaken for a nurse; and Juubei gets lost and accidentally gets a physical.
The guys must recover a stolen bag of a rare type of blood in order for a little girl to receive a lifesaving blood transfusion. The case triggers memories of a childhood friend for Ginji, who puts extra effort into finding the blood.
A businessman wants the guys to recover a briefcase stolen by a group of high-school girls. One of the girls tells Ginji and Ban that she'll only tell them where it is if they buy her dinner and take her out all over Tokyo.