Only When I Was Twenty Did I Realize That I Was the Daughter of the Underworld.

Lin An, a sophomore girl living in an ordinary world, originally thought that her life would be ordinary. It wasn't until her twentieth birthday that an accident revealed her long-hidden true identity - she was actually the heir to a top mafia family. As she steps into this complex underworld world, struggles for power, conspiracy, and betrayal follow one after another. In the bloody family struggle, she transformed from an ignorant girl into a mafia queen with strategizing and iron-handed tactics. In the dispute where it is difficult to distinguish between ourselves and the enemy, Lin An not only has to face hidden crises, but also has to uncover the secrets behind his father's disappearance and take control of the entire underworld. When power, emotion and destiny are intertwined, Lin An is destined to face a life-and-death battle on the road to pursuing the truth and protecting his family. Can she control the torrent of fate, stand at the pinnacle of the underworld, and uncover the truth of all the conspiracies?