Years ago, in an orphanage, Susan Yuan, the younger twin, selflessly gave up her chance to be adopted by a wealthy benefactor so that her ailing older sister, Judy Yuan—suffering from a heart condition—could have the opportunity. Years later, Judy Yuan has become the heir to the prestigious Sheng family, yet she remains haunted by the loss of her twin. She soon discovers that her sister has been ruthlessly mistreated by her in-laws—swindled out of everything and ultimately meeting a tragic end by being pushed from a building. Seeing her sister lying helplessly in a hospital bed, Judy Yuan vows to personally avenge every injustice Susan Yuan endured. Disguising herself to resemble her long-lost twin, she infiltrates the very household that once tormented her sister. With iron-fisted determination, she methodically sets out to reclaim every bit of suffering that was inflicted upon her, one calculated move at a time…
