Not a movie, but a Korean TV Series on Netflix. The Ongseong Creature. It takes place in 1945 first in Manchuria, and then in Korea, where nefarious Japanese Scientists are conducting human experiments on hapless Korean civilians collected on trumped up reasons, THe first Lab is destroyed, so the scientists move to a towns Hospital, the OngSeong hospital. Nearby is our hero, a well to do operator of the towns Pawn Shop, called the Palace of treasure. He is known as someone who can get the right information, item, or person for the right price. Charming, and sharply dressed he is a stand out in the community. Entering the scene are a pair from Manchuria, a father and daughter "sleuths" (Bounty Hunters), looking for a particular woman, who has ben missing for 10 years. And then there is the monster.... It has the whole group of types in the casst. THe corrupt policemen. Angry Japanese Soldiers, a Femme Fatale, Revolutionaries, and the town's "Network"
. All in all, well acted and very pulp.