Pian Wo Lai Shi Qia Feng Chun

To lure her widowed sister-in-law into depravity, Song Zhimei resorted to every unscrupulous tactic imaginable. One night, she stumbled into her sister-in-law's secret chamber. Within lay two rooms: one locked away her long-lost elder brother, the other a golden cage filled with her sister-in-law's treasured possessions. The usually fragile woman now blocked her path, chains in hand... Who, truly, was the prey? (Source: Bilibili, translated)