When their mother becomes the first victim in a string of murders, their lives feel shattered. With a lack of leads and the body count rising, the sisters are forced into action and uncover much more than the perpetrator: something has gone wrong with the sealed Gates. They are now opening. Ancient mythological monsters are free and infecting the quiet town of Goodeville.
Will Hunter and Mercy accept their destiny as Gatekeepers and battle to rid their world of creatures without one of them paying the ultimate price?