Wearing breathing apparatus and with a thermal imaging camera, firefighter Peer Peter and a colleague make their way through the charred apartment. It is difficult to find your way around and they never know what they will find.

Operations like this have changed Saskia Sierck's view of life. When she and her colleagues from the Hamburg fire brigade arrive at the underground station, the injured person under the subway is still alive. Now every second counts.

A man who had recently had an operation does not respond to messages. The neighbor is worried. Vincent Isroe from the Hamburg fire department prepares to break down the door. Another emergency call is: "Man with a knife in his mouth."

Felix Krampe hadn't expected this: the fire was already visible as he approached. His colleagues from the Hamburg fire brigade had to break down an apartment door in another emergency. The smoke detector sounded the alarm. What about the resident?

The kitchen on the fourth floor is on fire. The firefighters are getting ready to put out the fire. The building is supposed to be empty, but people are running out. Is everyone safe?

The firefighters can see the fire from afar. Things are getting serious for intern Lena. She has to put out her first fire. But there are a few problems during the operation.

The Hamburg fire brigade is called to an apartment fire. They find a body there. But the circumstances are mysterious. Are they at a crime scene?

The firefighters are trying to contain the fire in the building so that it doesn't spread to the gas pumps. But they don't know if there are gas cylinders next door.