Todd discovers a historic mine site that could turn his season around; Tony mounts a massive operation to replace a 24-ton bucket line; Parker's parents arrive for his birthday bearing extraordinary gifts.

Rick faces mutiny from his crew of greenhorns. Parker visits his parents for advice and makes a decision affects the rest of his season. Tony's barge hits trouble on its way back to Dawson to finally begin the rebuild of his second monster dredge.

Parker's parents visit and offer help; Rick continues to battle frozen ground to reach his goal; shocking news forces Tony to make a drastic decision about his season