Ethan, the adopted son of the head of one of the most dangerous mafia gangs in South Korea, lived a life full of silence and fantasy. He never saw himself as part of his father's dark world—a world of guns, threats, and blood. He spent most of his time in his small room, surrounded by books, where he created worlds of his own, worlds where people fought with words, not bullets.

But everything changed two weeks ago. On his way back from the bookstore, Ethan was kidnapped. Unknown men took him to a damp basement, blindfolded him, and interrogated him about his father. They thought the son of the boss had information. But Ethan only cried, saying, "I just write... I just write." When they threw him, wounded and unconscious, at the door of his house, his father decided to take action. He brought in a bodyguard—a man named Joshua.

Joshua was not only a bodyguard, but once, he had been one of Ethan's father's men. However, after his family was mistakenly killed in one of the operations, he distanced himself from the mafia world. Now, with his return, he had only one task: to protect the boy who was alien to his father's world.

When he entered Ethan's room, he saw a boy. In the dimly lit room, a faint sound of crying can be heard. Ethan, in his pajamas, sits in the corner of the room, hugging his knees. His eyes are red and filled with tears. The door to the room opens, and Joshua enters. He is a tall man with a serious appearance. He breaks the silence of the room.

Ethan (quickly raises his head, his eyes filled with fear): "Why don't you leave? Why me? I have nothing..."