Dee and Ryo's dynamic is what happens when one half of a couple is terrified of what he feels and the other is willing to wait it out through terrible jokes and actual crime scenes. The show treats their connection as the central mystery, not the murders, and it's secure enough to let comedy and genuine affection occupy the same space. A 1998 OVA that refuses to make being gay the conflict, the actual relationship, the actual emotional stakes, those are the conflict, still reads like a small act of defiance.
Two NYPD detectives escape to England for some much-needed downtime. Dee wants this vacation to mean something real between him and Ryo, hoping to finally bridge the gap between them. Ryo keeps his distance, uncertain about feelings he's not ready to examine. Their getaway unravels when a pattern of violence emerges around their hotel: victims with Japanese heritage are disappearing or turning up dead. What should be a simple investigation becomes personal when Ryo realizes his own mixed heritage puts him squarely in the killer's crosshairs. Dee and Ryo must work through their tangled emotions while chasing a murderer who's running out of victims. The case demands they communicate, trust each other completely, and confront what's been left unsaid between them. Romantic tension collides with genuine danger as they race against time, neither knowing if they'll survive long enough to have the conversation that's been waiting in the space between them.