Bitter dialogue and English humor in the brilliant comedy starring Brenda Blethyn. In a large house in Cornwall, Mrs. Grace’s quiet life is disrupted by the sudden death of her husband John. With no money and with the gigantic shadow of the countless debts incurred by her husband, in order to avoid catastrophe, the newly widowed woman decides to put her green thumb to good use: turn the greenhouse behind the house into a full-fledged Marijuana farm.