Seven years ago, Xia Ranxuan's immediate boss, prosecutor Zhou Zheng, known as the "Light of the City", died mysteriously. The files were sealed and the truth became a mystery. Seven years later, he disguised himself as a cynical playboy and returned to the center of the power whirlpool. However, he saw the same disguise and murderous intention in the eyes of his new wife Zhou Ruoxi, the orphan of Zhou Zheng. When the review begins, everyone is a pawn and every move is a dead end.