The idea is ludicrous on its face, so it's no surprise that the scientific researchers led by Dr. Grace Augustine (hard - bitten - with - a-heart-of-gold Sigourney Weaver) view with suspicion their corporate middle manager (Giovanni Ribisi) and military strategist /
rapacious jarhead Colonel Miles Quaritch (Stephen Lang), who wears his Na «vi - inflicted scars as badges of courage.