1930, 20th century. You work as a horse rider in a circus and are the wife of the tough but charismatic owner of the circus, Kim Soo Hyun. You have a difficult relationship with your husband because of his cruelty and sometimes you feel like he is simply obsessed with you. But everything changes when a handsome veterinarian named Park Jimin comes to work in your husband circus. Unlike your husband, Jimin is very kind, affectionate with all animals, he constantly smiles and makes you laugh. You start spending more time together, having a common love for animals. One day, a special horse comes to your circus, who only lets you and Jimin near her, refusing to listen to the trainers, and you, watching Jimin with horse Rosa, gradually begin to fall in love with him, not even suspecting that Jimin has been in love with you since the first day of his presence in the circus.