Nine translators, hired to translate the eagerly awaited final book of a bestselling trilogy, are confined in a luxurious bunker. When the first ten pages of the top-secret manuscript appear online, the dream job becomes a nightmare.

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.

A gifted musician inherits a mansion after her long lost father dies under mysterious circumstances. She discovers his last musical masterpiece riddled with cryptic symbols that unravels an evil secret.