Set against a backdrop of a busy Christmas and impending, pretty savage, redundancies from it’s Australian parent company, Northern Bank manager “Murray” (Eddie Marsan) is also facing discord at home from a wife (Eva Birthistle) who has had enough of him always being at, or obsessed with, work. Meantime, “Barry” (Éanna Hardwicke) is a jovial worker at the bank who regularly wanders around with the vault keys in his…