

Hidden genius doctor Damian Mercer (alias Umbra) disguises himself as a beggar to evade global pursuit, only to receive a black card as charity from heiress Liana Lowell. He diagnoses her terminal "Yin-collapsed meridians," but three renowned doctors dismiss him.After publicly humiliating the trio, Damian is forcibly brought to the Lowell estate, where his golden needle technique saves Liana's life, shocking the medical world. Upon escaping, he's publicly humiliated by his fiancee Molly Sawyer and half-brother Rowan Mercer, who break off their engagement. He also discovers the Mercer family has grown arrogant after gaining a seat among "the Twelve Ascendant Elders of the Sanctum" through Damian's own subordinate, Left Sentinel of the Sanctum. Damian secretly orchestrates his revenge, announcing as "Umbra" that he'll attend the Mercer family wedding—causing a sensation.

Yvette Queen, the hidden heiress of the prestigious Queen family, falls in love with Wendell Lewis, who's from a declining family. Without revealing her true identity, she secretly supports his family while his parents, unaware and looking down on her, push Wendell to marry into the wealthy Lane family. They send Wendell abroad with Sue Lane for further studies. Before leaving, Wendell promises Yvette that he will marry her upon his return. Four years later, however,Wendell comes back and announces his engagement to Sue. Seeing his true colors, Yvette has her family crush both the Lane and Lewis families. The backlash causes Wendell's mother to fall gravely ill. Desperate to secure a hospital director's treatment for her, Wendell seeks out Yvette to reconcile—only to discover she is the legendary Queen heiress. Realizing his mistake, Wendell turns against Sue, and the two betray each other, reaping what they sowed.Meanwhile, Yvette becomes the chairwoman of the Queen Group.