Janet, who had always lived in the countryside, returned to the metropolis to meet her biological parents. However, her parents didn't like this daughter very well and regarded her as inferior to their own adopted daughter whom they had raised themselves. Little did they know that the daughter they looked down upon was an incredibly gifted genius. One day, the genius girl bought a man being auctioned in a dim underground house. From then on, her life underwent a dramatic change. Seeming to take a liking to her, the man expected to marry her. Janet felt troubled though, "Let's pray he won't disrupt my secret plans in the city..."