A Vietnam veteran's traumatic past resurfaces during a military training exercise, causing him to mistakenly believe he's back in Vietnam. Believing camp staff are Vietcong, he takes violent action, leading other participants on a desperate hunt to stop him before he causes further harm. Meanwhile, the camp's owner secretly plots to eliminate the veteran, fearing the truth will ruin his reputation.
Killzone
A Vietnam veteran's traumatic past boils over during a survivalist training exercise, causing him to mistakenly believe he's back in combat. He brutally kills several camp staff members, convinced they're Vietcong.