When high school student Audrey Perez moves to a town that's supposedly home to a haunted mansion, she and a few of her new friends decide to investigate. Audrey is quickly swept up in a macabre mystery and eerie adventure that holds the fate of the Haunted Mansion's 999 happy haunts in the balance. A storm is coming--both literally and figuratively--and it'll be up to Audrey and her friends to save the Mansion--and its ghosts--before it's too late. But can Audrey do so while dealing with her own anxieties and while caught in a love triangle between her boyfriend and the enigmatic Sterling--who just might be a ghost?