Brie Larson’s feature-length directorial debut, Unicorn Store, centres on a grown woman and her pursuit of a pet unicorn, and if that short logline immediately sets alarm bells ringing in your head, this store is probably not worth visiting, even for a brief perusal of its goods. But for anyone left more curious than turned off, this portrait of the clash between childish things and adult pursuits has some merit, even if its wild veers in tone don’t always work…
