In a distant past, Inuyasha bore a blood scar on his back, fueling his unrelenting quest for vengeance. His journey takes an unexpected turn when he meets fellow scarred children yearning to break free. One of the escapees whisks them away to a mysterious island, where they become trapped until they can defeat four formidable war gods, a daunting task that seems all but insurmountable.

Inuyasha the Movie 4: Fire on the Mystic Island
Inuyasha's quest for vengeance is fueled by a centuries-old blood scar on his back, as he joins others with similar marks, all seeking to break free from their doomed destiny.