The evil Count Draculon and his army of demons have conquered Earth, but a young soldier who lost his life in the first war against Hell has reawakened in the future as MANBORG! Together with a crew of post-apocalyptic rebels, the half-man half-machine hero will fight to defeat Draculon and take back the planet!

Two men travel by night, but where are they headed and why? Are they father and son or something else? Sebastian & Alan follows these two characters who only seem to exist on the periphery as they wait for their own plots to unfold before them.