Alan joins his brother Danâs private investigation agency in the hopes of reconnecting with his older sibling. Although he doesnât know the first thing about private investigation and heâs hopeless with a gun, Dan convinces him to help him out on a covert mission for Danâs former commanding officer. But the mission is far more dangerous than either brother realizes. The officer and his soldiers are seeking to recover an insidious device used to manipulate Earthâs history. Humanity is under attack...and doesnât even realize it. Alan and Dan are ill-equipped to face this undetectable invasion...but theyâre the only chance Earth has to survive.