Fausto Vitaliano

A dark day dawns when the Agency finds out one of their own elite secret agents is a traitor.

"It's Uncle Scrooge like you've never seen him before! Travel back in time to Scrooge's younger days to explore the origins of everyone's favorite miser. Find out how Uncle Scrooge made his first, second, third, and fourth millions in a four-part story that answers all your burning questions about how Scrooge McDuck got so very, very rich, and so very, very stingy!" -- back cover.

Although Donald does not remember working as a spy for the mysterious Agency, since his memory was reset after he left, he agrees to come back when the Agency asks him to, but he has trouble remembering his old skills.