While trying to readjust to every day life following their previous two journeys through time, Seamus is having girlfriend problems and Ari is beginning to question a decision he made. After an alarming discovery, Ari and Seamus reluctantly return to the past to prevent a malevolent being from getting the ancient secret treasures, obtaining dangerous power, and changing history. Amidst supernatural occurrences and creatures, Ari and Seamus must fight against an insidious force that threatens the world they know.