Allan notes that that was the last Folksoda in existence, and that his secret formula is stashed inside a cigar box in Amanda Einstein's apartment in Berlin.

On the flight, a stewardess named Rebecca opens Allan's carry-on suitcase allowing Erlander to escape, forcing the pilot to make an emergency landing in Moscow.

A woman named Stirna meets with her therapist, Håkan, after seeing news coverage of a viral video featuring Julius and Erlander, and of the plane's emergency landing in Russia.

Allan recalls that during a film shoot for Folksoda in East Germany, he had met Popov's young daughter, Kristina.

Allan falls asleep and dreams about the night Popov was killed as he tried to leave the East Germany with the secret formula.

Inspector Aronsson and a pair of CIA agents arrive at the nursing home, where their questioning is interrupted by Benny's nervous vomiting.

Allan, Julius, Gäddan, and Stirna race to Benny's house and arrive just in time to save the cigar box from being used as kindling.

Stirna, having decided to stay with her new friends, helps Julius re-create Folksoda in an outdoor synthesis lab, but finds they are missing a vital step in the process.