An evening at the office turns into a nightmare when a woman gets trapped in an elevator following a massive earthquake.

Set in an office building at night, Mira, a workaholic, ambitious and independent person, works late and is about to go home. In the elevator, she meets Mika, a stranger who works in the same building as Mira. As soon as they got into the elevator, a massive earthquake caused the lift to break down. Mira has to accept the fact that this stranger was her only friend. Mira began to realize that she was very grateful to have Mika around. But not long after, she has to face the fact that she has to fight alone because of Mika's death. When Mira thinks everything will end tragically, a mysterious figure appears through a voice on the intercom. A security guard named Adrian tries to accompany her through everything. There is a unique relationship between them, which makes Mira finally able to make peace with her past.