The film was shot entirely on an iPhone 5. It was shot in 10 day in Prague, Czech Republic for the smartphone short films competition of the 22nd International Film Festival Febiofest.
The film is an adaptation of a short story by Czech journalist and writer Milos Cermák, published in the book Lovestory ve výtahu (Lovestory in the Elevator).
The writer Milos Cermák appears in the film, having a role of Cmiral's colleague.