Eun Sol, a newbie prosecutor, holds hands with Baek Beom and Cha Soo Ho to investigate a murder case of a conglomerate’s son’s wife. Sol and Beom specu-lates that the husband beat her, who was pregnant, to death. However, Beom tells her never to trust the corpse itself because once a body decomposes, new scars may show up, and existing wounds may vanish.