Four rebellious teenagers in 1st century Roman-occupied Wales must flee their village and live in the wild after they accidentally kill a Roman soldier and cause an uprising. They must learn to live together or risk facing the wrath of Rome.

Fireman Sam and his team are on a mission to save Pontypandy! When a hurricane threatens the town, emergencies pop up everywhere… from saving the Wildmen of Pontypandy to rescuing a group from the flooding mines to protecting their new fire station. With new recruits, a new station, and a new vehicle, these ultimate heroes are always ready to save the day!