Jeong Si-wan

In 21st-century Korea under a constitutional monarchy, a chaebol heiress with everything but status tries to take control of her future after crossing paths with a lonely prince with nothing but his title. Together, bound by a contract marriage, they begin a class-defying romance to rewrite destiny.

The top star Jung Yihyun, who started as a child actor, decides to quit the entertainment industry due to his mother's sudden death. Kang Jaewon, a part-time worker who lives from hand to mouth, has to temporarily give up his actor dream due to real-life pressures. The two, who had a falling-out in high school due to a misunderstanding, reunite years later because of a musical. Through portraying the characters, they rediscover love.

Yerin is on the verge of losing her late mother’s company to her stepmother and half-sister Dayoung. To save it, she must secure an investment from the mysterious Investor X, whose identity is unknown. Desperate, Yerin agrees to an arranged engagement with Seongjun, heir to the L Group—only for him to skip their engagement ceremony and appear on the billionaire dating reality show