Vampire Apocalypse

Samantha Moon is hired by the Fullerton Police Department to assist with an unresolved murder case, but her investigation takes a sudden turn after a storm causes her to seek shelter in a cave, where she finds a mysterious magic locket. The locket transports her 81 years into a dystopian future embroiled in a fierce vampire war, setting her on a quest to protect her children and humanity itself. As rival vampire factions uncover her secret, Sam must navigate this dangerous new world to find a way to prevent catastrophe.