

As the only daughter of the Merrick family, Kirsty Merrick bears the responsibility of marrying into the prestigious Bartley family to lead the Merrick family to new heights, as carefully orchestrated by her mother Evanna Taylor. Kirsty successfully secures a betrothal with Morgan Bartley, the playboy son of the Bartley family's second heir. Unknown to Kirsty, Morgan has been secretly involved with Jess Merrick, Kirsty's only friend who grew up with her in an orphanage. Years later, when brought back to the Merrick family, the kindhearted Kirsty could not bear to abandon Jess, and thus pleaded with her parents to take Jess in as well. Now, Jess has begun an affair with Kirsty's fiance Morgan. To get back at Morgan, Kirsty designs a plan to seduce and intoxicate Nicolai Bartley, the young CEO of the Bartley Group, leading to the start of a dangerous "underground affair."

To stay close to her married best friend Jolly, Gia Corby decides to pursue Jolly's brother-in-law, the aloof doctor Connor Eriksson. While Gia pursues him aggressively, he watches coldly from the sidelines, occasionally lending a hand.Just as Gia is about to win his heart, Connor's first love returns. Gia gives up, but Connor begins forcefully pursuing her. Ultimately, the two end up sweetly together.

Sophie, a beggar girl with a dying mother, is caught stealing food, but her capture reveals a Firemark on her forehead, proof of royal blood. Guard Harvey is stunned and rushes to report it.The emperor is shocked: "She's my daughter?" But his stepdaughter Lucy is furious, publicly tormenting Sophie and her mom. Worse, Lucy's mother, Consort Winson, orders the two girls to swap faces to secure her daughter's position.Sophie, now locked away and bled as the "princess," watches the impostor call Consort Winson "Mother." Sophie's real mother breaks down: "Why is my daughter calling someone else 'Mother'?"