The Challenger (Calum Hood fanfic)

He is a selfish person. She puts everyone else needs before her own. He is a stock broker who works on Wall Street. She is a volunteer at a cancer hospital, while studying to be a Pediatric Oncologist at NYU. He lives a life of strippers and money. She lives a life of selfless and giving back. How will these two get over their differences and find love in The Challenger?