A young teacher has avoided dating her whole life because of a family curse that makes them turn into dogs if they kiss someone.  But following a work drinking party, she kisses a fellow teacher, mistaking him for the man she has a crush on.  Now every night for 100 nights, she turns into a cute little dog.  And after that time she will become a dog forever, unless she can break the curse.  Breaking it requires the same person who kissed her to kiss her again in dog form.  But she has two major problems. First, the guy she kissed doesn't seem interested in her and second, he is deathly afraid of dogs.  So she sets out to befriend him, help him overcome his fear of dogs, and eventually gain his help in breaking the spell.  And as she gets to know him, she will discover that this teaching rival that she had once despised as cold and uninteresting actually has a sweet, charming side.