A young medical student discovers that something sinister is going on in her hospital after routine procedures send more than a few seemingly healthy patients into comas on the operating table.

Lauren Ambrose, Steven Pasquale, Geena Davis, Ellen Burstyn, James Woods, Richard Dreyfuss, James Rebhorn, Joe Morton, Michael Weston, Natalie Knepp, Joseph Mazzello, Tara Jones, Erin Beute, Claire Bronson, Franco Castan, Anna Colwell, Steve Coulter, Gerald Duckworth, Wilbur Fitzgerald, Brian J. Smith