 Del Boy, Rodney, and Grandad are making cheap perfume to earn additional revenue after Del has been losing most of his in a series of poker games with Boycie, which Del attributes to a "losing streak".Grandad shows Del a double-headed coin that he got off a Scottish man during the war, and advises Del to use it against Boycie.Grandad clearly remembers the story behind the coin as if it were only yesterday.