When Juan's wife has a baby, Freddy faces a solo rescue to save the father-and-son M&M mine in the Yukon. With the family unable to mine another year if they can't capture more fine gold, Freddy's fixes become do or die.

Gold mining guru Freddy and master fabricator Juan turn their focus from saving other miners to helping their own operations in the off-season. They reveal how they got into gold and why they teamed up to help struggling miners.