A heroic tale on firefighters, with a touch on the Hong Kong handover at its underlying theme, Lifeline vividly captures the ferociousness of firestorm. It also delves into the fireman's psyche: These audacious firefighters can march into disaster and risk their lives by saving others, yet would they have the equivalent courage to tackle their personal issues? The story revolves around a dutiful yet indifferent fireman (Lau Ching-wan) who strives to win back his valor and love against his strict superior (Alex Fong) and his doctor girlfriend (Carman Lee) respectively.