In the troubled times of the Republic of China, Qin Manzhi, the underworld daughter, and her bodyguard Lu Huai had an undercurrent of love, but unexpectedly everything was a game within a game.He takes the singer Zhou Liu to lurk in the Qin family to seek revenge, but he cannot suppress his love for Qin Manzhi. She struggles between blood feud and attachment, and discovers that her doting brother is actually behind the scenes.Under the gunpoint of confrontation, the truth of the past emerged.