Doctor Crawford suspends Karl Ritter's flying license for health reasons. Ritter runs a domestic airline service in a small district. When Kate is appointed to be Ritter's pilot, he is reluctant.
Karl's competitor Sandby gives him 48 hours to pay up after which he will buy over Karl's business. Karl is, meanwhile, too proud to get any kind of help from a woman and turns down Kate's offer.
Aldo McKay, an American meteorologist attempts to fly his hot-air balloon in stages from Alaska to Washington state. He runs into trouble during a storm and is forced down near Ritter's Cove.
Karl regains his pilot's license but still needs Kates help with the company. His younger brother Franz arrives from Germany for a visit bringing his wife and kids.
Franz wants to involve Sandby in the purchase of new plane. During the ensuing argument over the direction of business operations, Franz comes out with long-held feelings against his brother.
Kate's father arrives at Ritter's Cove with news of an inheritance for Kate. He has been trying to get her to return to Vancouver and feels the inheritance will encourage her to put a down payment on her own aircraft.
Angel, Tom Oliver's small daughter, accidentally releases a baby puma from an animal sanctuary. While trying to recover the animal she follows it into the wilderness and the whole community turns out to help search for the girl.
When Eric's helicopter is the only thing which can get into a remote area to rescue an elderly couple from a forest fire he loses his nerve until Kate threatens to take the helicopter.
A fisherman finds a float from Tim's crashed aircraft. When Karl, Kate, Hooter, Tom and Robert search the area, they find no clues, so they enlist the help of Captain Dirksen of the Canadian Fisheries patrol vessel, Laurier.
Karl has his doubts about rushing to the aid of Mulligan, an old prospector, who often says that he's injured just to get a free flight out of the bush.
While Karl is away, his grandsons take a dangerous trip to a trapper's cabin after hearing that the man has a watch just like the one worn by their still-missing father.
