Mousetrap (2026 Korean Drama) - Season 1 - Episode 3

In his desperate quest, Moon-jae forms an uneasy alliance with No-ja (Sul Kyung-gu), a ruthless loan shark turned private investigator who had been hunting him for an unpaid debt, alongside detective Sun-yong (Lee Kyu-hyung). Their high-stakes manhunt uncovers a dark conspiracy rooted in an old Korean folktale that a rat which eats someone’s clipped fingernails can turn into that person threatening far more than Moon-jae’s stolen identity.