When a mystery virus turns Scrooge’s feathers blue, he journeys in search of Mau Heymans’ “Healers of the Andes”— legendary aborigines with a cure for everything. But chasing Scrooge is ruthless Argus McSwine, whose quack medicine sales depend on no cures being found! Then, Don Rosa’s rare “Back in Time for a Dime!” commemorates DuckTales’ 20th anniversary, and Daniel Branca's “Sub-Sub-Zero” pits Scrooge against creepy sea-going nomads!