Without the calm advice and organisational skills of the women and men who answer the 999 emergency calls, lives can hang in the balance. This episode explores the fire control team at work as they assist a terrified family with young children trapped on the second floor of their home by fire. Sheldon White Watch are mobilised to a busy traffic junction where a head on smash between two vans leaves one driver trapped in his cab. Northfields Blue Watch confront every fire fighters worst fear, a lethal build-up of smoke that can turn into a backdraft.