Cast
Kim Rae-won, Lee Jong-suk, Cha Eun-woo, Jung Sang-hoon, Park Byung-eun, Lee Sang-hee, Jo Dal-hwan, Nam Tae-hoon
Synopsis
A former navy commander (Kim Rae-Won) receives a phone call from an anonymous man. The caller states that he has set up bombs in locations filled with people, including a soccer stadium and a water park. The bombs are "sound bombs" that will detonate when nearby ambient sounds surpasses 100 decibels. The former navy commander desperately tries to stop the terror attacks.