For one month last year, the elusive British street artist known as Banksy set up surreptitious shop in New York, spreading his stencil art throughout the boroughs, painted on buildings and sold anonymously in unmarked kiosks, and revealing his antics afterward  Finding his art became quite a game among Banksy fans, as did anticipating his next move. This documentary, directed by Chris Moukarbel, recounts the cat-and-mouse game through the streets of New York. Or maybe, more accurately, the game being played is “Tag, you’re it!”