Detectives Masataka Koga and Ryuuji Terajima have a particular focus on homicide cases within their police department. Koga may seem reserved, but he carries emotional turmoil from his past. Unexpectedly, Terajima's open affection has Koga feeling conflicted. While they have an intimate relationship in private, Koga grapples with accepting that he might be exactly what Terajima wants. As they work together to solve a series of murders, this becomes a tale of two men - one steadfast, one intelligent - as they try to understand each other's hearts.
