Bridget Gallagher has the misfortune of spending two years of her life, she can never get back, dating her boss. One day he announces he's trading her in for a college student. Devastated, she decides she needs a vacation, a long vacation. She convinces her sister, Rachel, to accompany her and they set sail on an Alaskan cruise. During their time on ship they meet the Petrillo brothers from Nashville and the fun and games begin. Dominic Petrillo, one of Nashville's finest boys in blue, recently signed his divorce papers. His wife came home one day and announced she's in love with their next-door neighbor. To celebrate his thirty-fifth birthday and cheer him up after his marriage hit the skids, his two brothers, Vincent and Tony, take him on an Alaskan cruise to fish, whitewater raft, drink, and party. During Muster Drills, Dominic locks eyes with Bridget and the ship is not large enough to keep them apart. Once back in Nashville, Dominic decides a change of scenery is necessary and becomes a Detective in Plymouth, Massachusetts. The very town Bridget works in. The first day on the job finds him investigating the death of a fitness club owner. Not only is it Bridget's place of employment, but it's also her ex. Bridget is one of three women at the top of the suspect's list. Dominic is torn between listening to his heart and doing his job. No matter what the evidence says, he will never believe the smart, funny and sexy, not to mention loyal woman he met on vacation and lost his heart to could be a cold-blooded killer.