During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.

It’s the year 2075. Jung-won, a pathologist, has a recurring nightmare about her sister’s death. In order to cease the nightmares, she visits the sea of tranquility, called Moon. There she undergoes a strange experience that causes the death of her sister.

During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.