Synopsis of "19th Floor" Drama
It follows the story of Chun Yu, who escaped from the ghost building and recovered miraculously after a mental breakdown. She received a text message from her phone that said "I know what the 19th floor of hell is", she has been inexplicably caught in an extremely terrifying game of hell that she can't get out of. After receiving the same mysterious text message, her friends and classmates suffered successive misfortunes and game over in different game stages.