In a last ditch effort to win over the girl of his dreams, a nerdy high school senior and his best friends embark on a road trip to see their favorite band at the biggest music festival of the year.

The high school freshman kid sister of the murdered Zoë finds her diary, which sheds new light on the murder missed by the police. She investigates.

Daphne e Velma, duas adolescentes solucionadoras de mistério, investigam o que está fazendo com que alguns dos estudantes mais brilhantes da escola se tornem zumbis.