Everyone tells Daigo that he's got a few screws loose, but frankly compared to Company M's temporary replacement Kazuma Taira, he's the picture of mental health! Taira got an unhealthly fascination with fire that makes him more of a budding pyromaniac than a firefighter.
And Daigo's rival Shiro Amakasu is in deadly danger! When a young boy falls into a rampaging river, Shiro jumps in after him. Daigo's not about to let his rival outshine him and is determined to rescue Amakusu no matter what. Even if it means jumping in after Amakusa! But who will rescue Daigo?