For years now, an unknown masked man with heart-shaped eyes has been killing couples on Valentine's Day. While the nation waits in horror for the next Valentine's Day, Ellie, a disillusioned adwoman disappointed in love, prepares for a shameful dismissal because of a scandalous jewelry commercial where lovers repeatedly die. The brand's reputation is saved by marketing genius Jay, whom the girl has just encountered in a coffee shop. The guy invites her to a "business" dinner, and the maniac mistakes them for a couple.