Door Lock

Kyung-min lives alone in a one-room apartment. One day, she finds traces of a stranger breaking into her room and soon a mysterious murder case begins to unravel.

• 
  Lee Kwon

• 
  Gong Hyo-jin
  Jo Kyeong-min
• 
  Kim Ye-won
  Oh Hyo-joo
• 
  Kim Seung-o
  Detective Lee
• 
  Kim Seung-oh
  Detective Lee
• 
  Jo Bok-rae
  Kim Gi-jeong
• 
  Lee Ga-sub
  Han Dong-hoon
• 
  Lee Chun-hee
  Kim Sung-ho
• 
  Han Ji-eun
  Kang Seung-hye
• 
  Kim Jae-hwa
  Assistant Manager Park
• 
  Kim Kwang-kyu
  Deputy Head of Department
• 
  Cha Yeob
  Detective
• 
  Lee Jong-gu
  Real Estate Agent
• 
  Lee Hong-nae
  Police Officer
• 
  Yeum Moon-kyoung
  Employee
• 
  Lee Sang-hee
  Manager
• 
  Park Sook Myung
  Aunt
• 
  Jang Jun-nyeong
  Detective Squad Chief
• 
  Ok Joo-ri
  Woman at the Gym
• 
  Jung Jong-woo
  Security Agent
• 
  Bae Myeong-jin
  Police Officer
• 
  Kang Jeong-min
  Subway Man