Five young mutants, just discovering their abilities while held in a secret facility against their will, fight to escape their past sins and save themselves.
On the trail of a missing girl, an ex-cop comes across a secretive group attempting to summon a terrifying supernatural entity.
Seo-Jin is a popular architect. He suffers from a trauma when his younger sister Yoo-Jin went missing. 25 years after her disappearance, Yoo-Jin comes back to her family. Seo-Jin feels something is not right with Yoo-Jin.