Sarah Stevens experiences a bride's worst nightmare; being dumped at the altar. When she goes on the Caribbean cruise meant to be her honeymoon in order to lick her wounds, she discovers her ex-fianc has sent his brother, Will Marshall, the former best man, on the cruise as well. Everyone on board thinks they're newlyweds, and Sarah is too embarrassed to set them straight. How is she supposed to share a tiny cabin with a man she barely knows? How...