As their mother (Kristin Scott Thomas) prepares for her third wedding after two husbands died young, three sisters (Scarlett Johansson, Sienna Miller, Emily Beecham) reunite and share long-buried family secrets. Given how many of Kristin Scott Thomas’ on-screen characters could kill you with a single withering look, it’s perhaps a surprise that her screenwriting and directorial debut is a gentle and cosy affair, about a middle-class British family working through their emotional hang-ups.