Waning Moon Betrayal

After a devastating fire, the legitimate daughter Ye Qingchen discovers that her husband Xiao Zimu has loved the fake heiress sister all along, and even their unborn child was merely used as a medicine ingredient. Desperate, she exposes the truth using the stillborn baby as a gift and her true words as a weapon, eventually renouncing the world to become a nun. Upon learning the entire truth, Xiao Zimu spends his entire lifetime trying but failing to win back Ye Qingchen.