The work of firefighters is very complex and important. The series will tell the story of part number 51. There, the work is treated with due respect, observing all the rules and important points, for its excellent performance. The action takes place in Chicago, where fires happen often and you always need to be ready to go to the right place. The people working in the unit are brave and ready to stand the test of fire. Knowing what responsibility lies on their shoulders, they also understand that any mistake can cost the lives of both them and people in trouble. The professionalism and dedication of the team is amazing.