Be My Valentine

S2, E22: The murder of two young women, who received valentines from their killer, dampens the magic of the upcoming Valentine's Day for Nick. But he still cannot deny his desire for mortal love. Finally divulging his true feelings to Natalie, Nick has forgotten his pact with LaCroix, who vowed centuries ago to prevent him from acting on his love of a mortal. To love her would surely destroy her.