They rescue seriously injured accident victims from demolished car wrecks and fight blazing flames: The emergency helpers of the fire brigades in Krefeld, Delmenhorst and Dortmund have to work with full physical strength and absolute concentration, because in acute danger situations every mistake has fatal consequences. The series accompanies the lifesavers in their busy professional life. So-called bodycams show dangerous situations from the perspective of firefighters. This perspective represents the dramatic happenings - such as the extinguishing of a fire in a smoky apartment - particularly realistic.