Mona is a ten year-old girl who revels in the icky and the eerie. She seems like an ordinary girl, but she has a secret: when there is a ghoulish mystery to solve, she becomes Mona the Vampire! With her sidekicks Princess Giant and Zapman, she sets out to solve the unsolvable. Mona is a modern heroine, funky and defiant, with a powerful imagination. Her strong and irresistible personality is at the heart of every tale.