New York Police Department partners Dee Laytner and Randy 'Ryo' Maclean are on a vacation in the English countryside—which Dee has sneakily set up as an opportunity to seduce Ryo. As romantic tensions steadily build, Ryo spots a dead body floating in an otherwise tranquil lake. With their intimate holiday suddenly interrupted, the pair must decide what they think is more important: solving a case or each other.