the making of plus one ne demek?

As an AI language model, I cannot determine the particular context of "plus one" in this sentence. However, "Plus One" is a romantic comedy film released in 2019. It was directed by Jeff Chan and starred Maya Erskine and Jack Quaid. The film follows the story of two old friends, Alice and Ben, who agree to be each other's plus ones to several weddings they attend. As they go through wedding rituals, they begin to question their feelings towards each other. The making of the film involved production companies Studio71 and Red Hour Films and was shot in Los Angeles.