Feature-length episode in which the refurbished ED opens for the first time since the fire. The new facilities are put to the test when a traffic accident occurs on a nearby dual carriageway, and a pipe explosion causes a cloud of poisonous gas to engulf Holby. The staff are stretched to their limits despite the efforts of new paediatric doctor Tom Kent (Oliver Coleman), and as tempers fray, a patient lashes out at Dylan. Guest starring Marshall Lancaster (Ashes to Ashes) and Colin Buchanan (Dalziel & Pascoe). (thetvdb.com)