The slogan “Meet the icons of modern art” needs to be scraped off the glass wall of the Stedelijk, Amsterdam’s modern art museum. Because precisely who the icons of modern art are is very much the question. Who gets to decide? And who loses out? In 2019, as director Sarah Vos started shooting her documentary, more than 90 percent of art at the Stedelijk was made by white men. That’s got to change, the museum’s director Rein Wolfs believes. But this is easier said than done—so much becomes clear when Vos follows Wolfs and his team as they strive for greater diversity in the collection, as well as among their staff.