Superstar genetic engineers Clive (Adrien Brody) and Elsa (Sarah Polley) specialize in splicing DNA from different animals to create incredible new hybrids. Now they want to use human DNA in a hybrid that could revolutionize science and medicine. But when the pharmaceutical company that funds their research forbids it, Clive and Elsa secretly take their boldest experimentation underground--risking their careers by pushing the boundaries of science...