A woman who wanted freedom and a wanton life ran away in her prime, disguised herself as a man and traveled around the country, acting as she pleased. She was known as the Happy Young Master. Is the brave general he accidentally rescued just the playboy he met when he was young? Then the entanglement continued. She did save many interesting people earlier, and she was somewhat famous because of it. It is understandable that people in the world respect her, but why does the cult also use her as a role model? There are also families who are unwilling to let her live outside and a man who has never met but always insists on the engagement... Look at her, half monster and half carefree, riding horses in the world with a smile.