Kate Dickie is on terrific form here in this tensely crafted short feature. She is ''Lorna'', an emergency co-ordinator for the fire service who responds to a 999 call from the panic-stricken ''Gemma''. Her home is on fire and her young son is trapped upstairs, and so having despatched the fire brigade, ''Lorna'' attempts to keep her caller calm and safe until assistance arrives. Of course, the mo...