Once a promising high school baseball player, Yeon Hong’s bright future is shattered by a tragic car accident, leading him to uncover the involvement of private loan sharks. Seeking revenge, he transforms into a loan shark himself, establishing “Coco Loan.” However, twelve years later, Hong’s journey takes a surprising turn when the powerful President Yoo Jaeyoung orders Hong to mentor his mysterious lover, ‘Panther.’ Now tasked with making Panther a suitable heir to President Yoo’s colossal loan shark empire, Hong starts to question Panther’s true intentions. What drives Panther to become a private money lender under Hong's guidance? Is there an ulterior motive behind his approach and if so, why did he choose Hong?