Who Told You You Were Naked?

What was one of the things that the devil gained from Adam and Eve in the garden? Why was it that the devil had to mess with Adam and Eve? Think of your quintessential action movie for a moment.

Good guy has something that the bad guy wants.
Bad guy can't get to the good guy to get it.
But bad guy can get to the good guy's kid.
Bad guy takes good guy's kid hostage for ransom.
Bad guy slanders good guy to the kid.
Good guy's kid begins to question whether his dad is a good guy.
Kid thinks if his dad is in fact bad, he must be bad too.
Good guy saves his kid from bad guy.
Bad guy doesn't get the ransom.
But bad guy still wins. Why?
Because for the rest of the kids life he wonders if what the bad guy said was true.
The good guys relationship with his son has been destroyed.