Lee Gong-ju

When his client suddenly confesses to murder in open court, a hotshot attorney embarks on a search for truth to redeem his ruined reputation.

On his way to work, a bank manager receives an anonymous call claiming there's a bomb under his car seat, and if anyone exits the car, it will explode unless he can pay a ransom.

A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.

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.