Lou Huntignton is exhausted by her grandmother’s relentless attempts to get her married as soon as possible. Hunter Blackwood has no intention of looking foolish in front of his ex— the girl who once decided he wasn’t a suitable match for a “profitable” marriage. They both can’t stand Valentine’s Day and all the fuss that comes with it. Yet one harmless little invention leads them to a convenient agreement: for a week, they will act out the ideal “in love” couple. All the conditions are stated, the rules established— but do such plans ever go exactly according to the script?