Upon visiting his decrepit and dying grandfather, Isaac discovers an ancient evil that has parasitically dwelled within his ancestry for generations. Isaac must stop the parasite's symbiotic cycle from reoccurring or else become its new host.

Upon visiting his decrepit and dying grandfather, Isaac discovers an ancient evil that has parasitically dwelled within his ancestry for generations. Isaac must stop the parasite's symbiotic cycle from reoccurring or else become its new host.