Homicide detective Sang Gil is passed over for a promotion, which is given to a colleague. He's assigned a simple suicide case with rookie detective Eun Yeong. As the case becomes more complex, Sang Gil seeks the promotion he deserves by continuing the investigation alone, ignoring Eun Yeong's discovery of an unusual bite mark. When a wild animal attack leads to another death, Eun Yeong links the two cases. The pair discovers
