An emergency brings trains to a halt in Toronto as dispatchers and constables work their way through rush hour on the busiest transit system in Canada. A day in the life of firefighters in St. John’s and Vancouver, from their homes right onto their fire trucks, as they respond to emergency calls. A mom organizes a safe walk to school for children in a risky Toronto neighbourhood. Anda young Indigenous man in remote Poplar Hill tests the safety of the local water