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Okay. It's spring of 1932 at a warehouse in Detroit, Michigan.

19-year-old worker James Riddle Hoffa, better known as Jimmy, carries a heavy crate of strawberries from a truck to a refrigerated car.

He sets the crate down and then wipes sweat from his brow.

His back aches, his hands are calloused, and he wears a permanent scowl on his face,

as if he's ready to fight at any moment. Today, he is.

When Jimmy walks back to the truck where the strawberries are being unloaded, he gives a signal.

And at once, all of the workers set their crates now, no matter where they are.

With hundreds of pounds of strawberries now sitting on the ground, the clock is ticking.

If they aren't put in the refrigerated truck soon, they'll spoil,

costing these workers' bosses plenty of money and giving the employees

the leverage they need to renegotiate their contracts. When he hears that work has stopped,

the night manager bursts in to see what's happening. He orders the men to get back to work,

but they don't budge. The only one who moves is Jimmy, who walks right up to the manager and hands him a list of

grievances, demanding better pay and better working conditions. The manager scowls, but he knows

he's in trouble if the workers don't finish unloading those strawberries. So he promises to set up a

meeting with management the very next day. The workers cheer and whistle.

Their show of collective strength seems to have paid off,

and over the next few days,

...