When a self-assured relationship columnist who is about to launch a dating app that uses a figurative map of personal characteristics to match people is sent on assignment with a prickly tour guide to create a real map of the most romantic places in Florida as a promotional tool, their differing views on everything from what qualifies as a breakfast food to how to know when you’re in love makes for a bumpy ride until an unexpected detour shows them tender moments happen in the most unlikely places and the road to true love often takes you off course.