After years of meticulous planning, a terrorist operation is reaching its final stages. The authorities have received no intelligence; they are in a race against time but don't yet know it. As the operation unfolds, we see the working lives of men and women directly affected by terrorism. Among them: a firemen worried …

阿佩（林嘉欣 饰）在一间贸易公司的市场推广小组工作，小组组长是汤少（郑伊健 饰），贪玩的珠珠(活己岚饰)、羞涩的松仔(曾国祥 饰)、处事老练的球叔(骆应钧饰)也是小组同事。在小小办公室中日日相处，阿佩对汤少产生了不同于别人的情愫，而汤少却已有家室，对阿佩若即若离，阿佩也越来越深陷于这场还没开始的爱恋中，看不穿汤少的心意，也怀疑…