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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.
Jo Kyeong-min
Oh Hyo-joo
Detective Lee
Kim Gi-jeong
Han Dong-hoon
Kim Sung-ho
Kang Seung-hye
Assistant Manager Park
Deputy Head of Department
Detective
Real Estate Agent
Police Officer
Employee
Manager
Aunt
Detective Squad Chief
Woman at the Gym
Security Agent
Police Officer
December 5, 2018
Jo Kyeong-min
Oh Hyo-joo
Detective Lee
Kim Gi-jeong
Han Dong-hoon
Kim Sung-ho
Kang Seung-hye
Assistant Manager Park
Deputy Head of Department
Detective
Real Estate Agent
Police Officer
Employee
Manager
Aunt
Detective Squad Chief
Woman at the Gym
Security Agent
Police Officer
Similar to Door Lock
