In Kick-Heart, Romeo, a pro-wrestler, and Juliet, a nun with a hidden life as a female wrestler, fall in love. Romeo finds joy in enduring beatings in the ring, while Juliet thrives on the thrill of wrestling. As their paths cross in the wrestling arena, sparks ignite. Against the vibrant world of professional wrestling, the couple faces a dilemma: will Juliet disclose her masked persona to her beloved? Can Romeo muster the courage to unveil his masochistic wrestling passion to the public?