The Raney family begin their most ambitious rescue ever. Marty attempts a dangerous river crossing to get expensive gear to the homestead.

Helicopter pilot Eric battles dangerous weather conditions on an aerial supply mission. Plus, Misty and Maciah work on an innovative greenhouse.

With only two weeks left to finish their ambitious self-rescue, Marty races to complete the log cabin. Plus, Matt takes the next generation on gold hunt.

Marty struggles to finish the cliff-top cabin in time. Plus, the family must risk another river crossing to get materials across for a final crucial build.