Jeong Seung-ji

Orphaned, Nam Yujin grows up with the three Nam brothers, with the promise that one of them will marry her on her coming-of-age. But upon the return of their true sister Nam Sua, Nam Yujin loses their love and sinks into desperation. Even when she marries her suitor Ha Jihoon, they deem her as attention-seeking and only regret after unveiling Nam Sua's true colors—but Nam Yujin is never coming back.

Sung Pyo wishes to turn into a girl after being wrongfully accused of sexually harassing a woman. He then has a dream where a lady claims to fulfil his wish and hits him with a baseball. He then wakes up as a girl creating confusion for his roommate.

Once the founder of Tae Sung Bio and now hiding as a cleaner, Park Chang-wook is pushed out by his son under pressure from his wife and mother-in-law. His life takes a turn when he saves Jia and later marries her mother, Se-yeon. Framed for a fake painting, Se-yeon faces bankruptcy. Chang-wook steps in with a genuine artwork but is branded a thief. As Se-yeon defends him, his true identity emerges.