One is Han Geng, a son of a rich family, and the other is Heechul, a commoner princess. They met by chance and fell in love after getting along unexpectedly. The whole story hides a path to find a son. Who is the heir to the mysterious property among Heechul, Li Xu, Ki Bum, Young Woon and Jong Woon? Because Geng Che and two people are in love, where do their feelings end with the other people mixed in? How does Han Geng's father Han Jae-suk, who has always opposed Geng-cheol's marriage, accept Heechul as his daughter-in-law? All the puzzles are waiting for you to solve. It is not a suspense article but gives you space to explore.