Sadie and Lisa, best friends and self-proclaimed "Bridgemoss Guardians," embark on secret night-time missions to protect their small town from imagined evils. Armed with stakes and wild imaginations, they hunt for vampires, werewolves, and other creatures of the night. But when their latest adventure in the local cemetery takes a chilling turn, the line between make-believe and reality begins to blur. As shadows stir and crypts creak, the girls must face the possibility that something truly sinister may be lurking in the darkness. Will they brave the unknown or retreat before it's too late?