A strange girl arrives in Porter and tells Hoby that she knows that Joe Corbett is innocent of murder even though he was convicted and sentenced to hang because she was a witness and saw somebody else do it.
Did You Know?
In every lie, there's bound to be some element of truth. The big truth in Marcy's lie was her love for Joe Corbett. She knew he wasn't a murderer. Her trust was strong enough to activate the festering conscience of the real killer, and brought the case to its truthful conclusion.