Nate Carter is living the good life. Taking a break from his engineering day job to be Camp Firefly Falls' resident tennis instructor, he's got nothing on his plate besides acting as best man for his sister and his BFF's wedding, and avoiding a summer-ending injury like the one that side-lined him last year.An unfortunate incident involving salad dressing and his tuxedo finds Nate face-to-face with struggling single-mom Ruby Hudson who's moonlighting...