Returning home for his old pal Wang-jae's (Kil-Kang Ahn) funeral, police Detective Tae-su (Doo-hong Jung) reunites with former friends Pil-ho (Beom-su Lee), Dong-hwan (Seok-yong Jeong) and Seok-hwan (Seung-wan Ryoo). But when Tae-su begins to suspect there's something fishy about the death, he launches an informal investigation. He soon finds himself pitted against Pil-ho, whose shady business dealings may have played a role in Wang-jae's demise.