Ji Chang-wook

Uma família comum enfrenta circunstâncias imprevisíveis desencadeadas por um telefonema misterioso que a coloca numa situação aterradora.

Na Coreia do Sul, um ex-campeão de artes marciais, hoje expert em videogames, é acusado de um crime que não cometeu. Determinado a provar sua inocência, contará com a ajuda de uma jovem hacker (Eun-kyung Shim, Miss Granny) para descobrir a verdade sobre o assassinato.

Eunjung and Qri star as a pair of delinquent thieves who wind up in a huge mess when the bag they lifted from a club turns out to have been stuffed with drugs. A flashback sequence reveals that Qri originally was Jiyeon, but after a run-in with a couple of gangsters, they mauled her face and she ends up with plastic surgery leaving her looking like Qri, and unrecognizable to the man played by Cha Seung Won, whom she once loved.

A class of students stays at school for a camp in an elite study group to finesse theirs and the school's grades. Upon the first night, the swimming coach is found murdered. As the students try to figure out what happens, a voice informs them that if they don't figure the murder out, students will begin dying in quick succession.