The genius girl Mu Yingye, who was originally abandoned by the Mu family in City Z and lived in the filthiest, shabby, darkest Black Phosphorus Street for fifteen years, was adopted by the Murong family who hated the Mu family in an accidental car accident. She was forced to learn various skills and was sent to assassinate the leader of the Mu family. On the way, she was taken to time travel by the kid who took her into the wrong womb. She loved the Internet King the most and met the princes in that world, starting a new life that changed her personality.