Theo and Flora discover some disturbing clues surrounding Annabelle's mysterious disappearance. Meanwhile, it appears that Ruby may not be the only vampire in town.

Theo and Flora discover some disturbing clues surrounding Annabelle's mysterious disappearance. Meanwhile, it appears that Ruby may not be the only vampire in town.

Theo's mom reveals her version of Ruddy Cavern's mysterious history while the search for Annabelle heats up.

Without blood to drink, Ruby becomes weaker and weaker by the day and turns to Theo for help. Meanwhile, Flora finds herself roped into Ian and Amber's evil plans.

Ruby relives some painful memories about her time spent in the caves and reveals some dark secrets about how the teenagers transformed into bloodthirsty vampires.

Just when you thought things couldn't get any stranger in Theo's world, someone mysteriously reappears at school with new shades and a new attitude.