Geng Lie, the favorite youngest son of the Geng family, a military family, lost a leg during a special mission and wanted to quit the army. Under the huge gap, he began to live an autistic life. The hostile force who died during the mission hired the heir to the killer group "Langya" with a high salary to take revenge on Geng Lie. On the night of the assassination, the two faced off for the first time, and Langya fell in love with the assassination target Geng Lie at first sight. One is the proud straight man with broken wings, and the other is the future ruler of the dark world. When these two strong men meet, how do they create sparks?
