Based on a computer game, Resident Evil actually looks like a computer game:  the characters run around in a maze-like environment, shooting zombies and mutants while a standard video game soundtrack hums in the background.  There isn't much of a plot, just enough to establish why the zombies are there.  Admittedly, with two characters with amnesia and a possible traitor in the group, there is room for a plot twist, but any revelations are mere diversions from the killings.