Lok Tin Yau has always dreamed of becoming a firefighter. Sum Pik Yiu and Tin Yau are good friends but Tin Yau later falls for Pik Yiu after he helps her. But she has to give her feelings up for him when his childhood friend comes to Hong Kong from Japan. Lok Hew Fung, Lok Tin Yau, and Ng Dai Heng are best friends who join and become firefighters. This drama is about the lives of firefighters and the situations that they deal with everyday