After a heart-pounding brush with danger on Valentine's Day, Caleb runs into a handsome stranger and decides to roll the dice on a one-night-stand. Things don't work out the way anyone intended when Caleb gets sick. He wakes up alone the next day, extremely confused and utterly embarrassed. Angelo is an insomniac vampire who leads a solitary existence. Once a year he comes out of hiding—each Valentine's Day—to soothe one lonely human soul while drinking the blood he needs to survive. When Caleb falls ill, Angelo winds up connecting with a human as never before. But helping this human puts Angelo's own life at risk.