Love is in the air, but for Junie B. Jones, the holiday of hearts is turning into a gigantic mystery. February fourteenth is just around the corner, and Junie B. cannot wait to celebrate what she calls Valentime's Day. She is incredibly excited to see all the fun little cards she will get from her kindergarten classmates. But when she opens her box, she finds something completely unexpected: a giant, mushy, gushy card from a secret admirer! Junie B. is thrilled, but she is also extremely curious. Who could this mystery guy possibly be? Determined to crack the case, she sets out on a hilarious mission to uncover the identity of her secret classroom crush. However, she quickly discovers that tracking down a secret admirer is much harder than it looks. Join the world's funniest kindergartener as she tries to solve the mushiest mystery of the school year.