Beyond (2012)
A Pair Of Strange Eyes (1x2)
:
Dong-shu and Dong-sao's son, Weijian, went missing after he entered the lift. Zhiqing takes the lift repeatedly in hopes of finding a clue regarding Weijian's disappearance. With a stroke of luck, she ends up at a space on the 13.5th level and finds Weijian there.