Henri devient un pompier pour aider à sauver le chat coincé dans l’arbre.

Henry meets a friendly Fire Engine. It's his first day on the job and he's a little nervous when a call comes in about a cat stuck up a tree. Henry becomes a Fireman for the day and helps Fire Engine rescue the Cat from the tree.

Henry is a young boy who desires to learn something new in his everyday life. In each episode, he meets a new object and his imagination comes to life as he learns more with each new encounter. Henry creates so many friendships and everyone he meets is eager to help him find the answers to every new question.