Dan Dan lives with her stepbrother, Dae Bum, the ever-failing businessman, and her stepmom. Tired of putting up with them, she leaves home. Feeling down on her luck, she climbs up a mountain. There, Dan Dan runs into Young Guk, who is hiking while dressed in a suit. Young Guk is the capable chairman of a corporation, as well as a widower with three kids. By chance, Dan Dan becomes a live-in tutor at Young Guk's house. As they start to live together and look after Young Guk's kids, they find themselves in situations of conflict, both small and large. Despite their 14-year age difference, they start to grow fond of one another. With the help of Dan Dan, will Young Guk be able to overcome his grief and grow closer to his kids?

Celebrity dads take care of their children on their own without any help! While the moms enjoy their freedom away from childrearing, dads who aren't as familiar raising them must spend time with them. How will dads who aren't as skilled and children who like their moms more spend their days? A childrearing reality TV show about celebrity dads and cute children filled with emotional, funny, and surprising moments. Let's take a look at their lives.

Park Do Ra is a bright, brave woman with a challenging personality who became a top actress because her mother, Park Mi Ja, said it was the only way to escape poverty. After earning fame and fortune as a top star, all Do Ra wants to do is rest and enjoy her riches, but her mother keeps causing trouble. Mi Ja always adorns herself in luxury, even more than any top star, thanks to Do Ra's success. However, Mi Ja wants more. Do Ra can't handle her tight schedule due to Mi Ja's desires and wants to quit her new drama "Straightforward Romance," but she can't because she met her first love, Go Pil Seung, the assistant director. Pil Seung is passionate about his job but tries to leave "Straightforward Romance" because of Do Ra, who was very particular to him when he was young. Unfortunately, an unusual assignment to exclusively lead her falls in his lap. Will Do Ra find her happiness by escaping her mother's never-ending desires?

There has been a prophecy throughout the Silla era that the royal blood won't have male descendants once twins are born in the royal family. When the twin daughters, Cheonmyeong and Deokman, are born, King Jinpyeong hides Deokman away from Silla and makes her live in the Taklamakan Desert in China, making it impossible for Mishil to trace her. Deokman starts to wonder about her origin and birth, so she disguises herself as a man and enters Silla. Princess Cheonmyeong believes Deokman is a man, so she has Deokman be a member of Hwarang. At Hwarang, Deokman meets Yusin, who contributes to the unification of the three countries afterward, and cooperates with him to drag Mishil down. Amidst the conflict with Mishil, Deokman's identity as a princess of Silla is revealed. When Deokman escapes to live, she meets Bidam, the son Mishil has abandoned. Deokman joins hands with Yusin and Bidam to topple Mishil. Check out if Deokman succeeds in becoming a clever leader to rebuild Silla.