Joe Kingman, a wealthy, self-absorbed, bachelor quarterback living the high life in Boston, is on the verge of leading his team to the championship. Known for his flashy lifestyle and the spotlight, Joe's world revolves around sports, endorsements, and his prized bachelorhood. His life takes an unexpected turn when an eight-year-old girl named Peyton shows up at his doorstep, claiming to be his daughter from a brief marriage that he barely remembers. Skeptical and unprepared, Joe is thrust into the responsibilities of fatherhood overnight, challenging his priorities and lifestyle.

As Joe struggles to balance his professional commitments with his newfound parental duties, he begins to change in ways he never anticipated. His playboy apartment is quickly transformed with the presence of Peyton, introducing him to ballet, bedtime stories, and a life far removed from his comfort zone. As he spends more time with Peyton, Joe discovers the joys and challenges of being a parent. The transformation is not smooth, with humorous mishaps and heartwarming moments along the way, revealing the depth of Joe's character beyond his public persona. His journey explores the themes of responsibility, love, and family, forcing Joe to rethink what truly matters in life before it's too late.