Harts War (2002)

In a place where lies keep men alive, one man must find the truth -- whatever the cost. An African-American pilot in a German POW camp is accused of murdering one of his fellow inmates, and Lt. Tommy Hart (Colin Farrell) must defend him. But Hart's superiors (including Bruce Willis) caution the young officer that digging too deep could expose secrets that would mean death to all the camp's prisoners.