By chance Mickey and Nipper are first on site when a bus is found crashed on the side of a mountain road which makes the rescue of the passengers more difficult.
A gas explosion leaves people trapped in the basement of a building. The rescue squad attempt gets even more difficult and dangerous with poisonous fumes and the risk of another explosion.
Angel has difficulties coping with his hated fathers death. Meanwhile Georgia tries to help a friend and her daughter after they were hurt in a gas explosion.