Chuck Walker, a North family friend, is discharged from the Navy for being underage. Planning to rejoin on the West Coast under another name, he needs some money for the trip. After being involved in a bar fight with a drunk who's robbed and dies, Chuck is charged with murder.
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https://www.youtube.com/watch?v=yw0BF2uitAk
An innocent man is hanged because barrister Harvey Lawrence (Donald Pleasence) destroys a confession that would have cleared the man he was prosecuting, for political reasons. Later, that confession just won't go away.
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https://www.youtube.com/watch?v=ZuQMueZGRGY