Ha Jian, the author of the bestselling horror novel series «Night», one day gets her hands on a cursed keyboard that brings anything she writes to life.
And soon, Joo Woo-geum, the serial killer from her novel, appears in the real world.
But contrary to what she expected, he doesn't kill Jian. Instead, he confesses his love to her.
"I love you, Jian."
The problem is, Jian knows better than anyone that Joo Woo-geum is a monster capable of killing even the person he loves.
Desperate to survive, Jian tries to rewrite the events of her novel. But the most important sentence of all is erased by an unknown force.
Can she survive the serial killer she herself created?