In a comedy of unexpected twists, two unlikely heroes team up to solve a seemingly straightforward case that leads them down a rabbit hole of danger and deception. Dae-man, a comic book storekeeper, and Tae-su, a legendary homicide detective, must put their skills to the test when a woman walks into their private detective agency with a lucrative reward on the line. With the help of Yeo Chi, a brilliant but eccentric online sleuth, they embark on a thrilling investigation that uncovers more questions than answers.