My Mate's Mistress Is My Younger Sister, And Her Pup Replaced Mine

After eighteen years raising Hayden, Sylvana discovers he is her husband Caelan’s pup with her younger sister Mirabel—and her real daughter was stolen and abused overseas. The patent genius behind Caelan’s empire signs with his rival, rescues Yuna, exposes the bloodline swap, and drags her husband, sister, fake son, and cruel parents through a legal and financial reckoning.