Set entirely within the bustling security room of a residential building, the sitcom follows the daily misadventures of Lee Po On and his eccentric team of security guards. Tasked with maintaining order, the team constantly finds themselves in chaotic situations as they try to tackle bizarre resident demands, endless neighbor complaints, and relentless operational pressure from their demanding corporate superiors. The comedy explores whether this unlikely, mismatched group of security officers can overcome the absurdity of their workplace obstacles, survive their demanding bosses, and successfully earn their rewards.