Hazel Chou, framed by cousin Cheryl Chou, is forced into a marriage swap with Rowan Shaw, fiancé's brother. Hazel awakens Beast Master ability, Healing Spirit Spring & Familiar Spirit Space. She fights back against Chou Clan and Cheryl Chou. Beasts form her Wedding Procession. Marrying into the Shaw family, Hazel and Rowan become rich, save the Crown Prince, and lead their family to prosperity.