Released:

Overview:
It's 3 minutes for hearers, but a life for the callers. A crime thriller chasing even the slightest sounds to rescue people's lives calling for urgent help.

Director:
Shin Yong Hwi

Runtime:
NaNh NaNmin

Genre:
Crime, Drama

• Cast:
• 
  Lee Ha-na
  as
  Kang Kwon-ju
• 
  Song Seung-heon
  as
  Derek Jo
• 
  Son Eun-seo
  as
  Park Eun-Soo
• 
  Kim Joong-ki
  as
  Park Joong-Ki
• 
  Song Boo-gun
  as
  Goo Gwang-Soo