The Sewer

8 years ago… detective cheon do-cheol lost his daughter and wife to an unidentified creature. in order to hold on to even a thin thread of hope, he continued to investigate violent criminals. it seemed as if 8 frustrating years had passed by like that. however, his watch, which had been stopped, starts moving again when an unidentified female detective, “ji soo-won,” enters cheon do-cheol's own department, the “special civil affairs division.” and at the same time, ahn ha-ri, a young man who has lost all his dreams and hopes and heads to the sewers, sees a giant monster underground that swallows up his team leader and senior in one bite and says, “if you want to live, make a contract with me.” the secret that had been hidden for 8 years finally comes to light.