Kang Dae-woon, a genius young mystery novelist, is kidnapped by an unidentified person in an underground parking lot and taken to a mountain in Sangju. This man also met with other kidnappees. The archaeologist Kim Gyeong-ran, the next presidential candidate and Nobel Prize winner, Han Seok-won, the youngest successful candidate of KAIST, the next FilS award candidate, Choi Jae-kyung, the national secret agent Tak Jae-hoon,
Someone kidnapped six people and ordered them to find a treasure from the Silla era, the 'Crystal Owl'. If they cannot find it, they will be murdered one by one.