The story follows Gu Bin, a dropout turned first-rate negotiating expert who is not afraid to resort to trickery in order to climb the ranks of society. Favored by Alice, the arrogant and bossy daughter of a rich businessman, Gu Bin is stunned to discover that his competitor in a business acquisition negotiation is none other than Zhou Ting, his first love and with whom he was in a relationship for eight years. In the ensuing nine-hour acquisition case, which takes place during a seemingly normal nine-hour workday, both Gu Bin and Zhou Ting must make a choice between work and love.