After Taking the Real Heiress's Place, I Was Found Out

Pei Shuxuan, one of the few survivors after several powerful families hunted her down, takes the place of the second young lady of the Pei family in the capital. Not only must she fulfill the second young lady's final request, she must also find her aunt, who disappeared while pursuing true love. But the truth behind it all leads back to an experiment conducted by a group of madmen.