Golden Bowl is the name of a run down bowling centre. Akutagawa Shuu is a stockbroker while Sakura Hitomi is a housewife. They seem like an unlikely pair but when it comes to bowling, they form an unbeatable duo. Sooner or later, Shuu starts to have feelings for Hitomi, but refrains himself as she is already married. He then hears about Hitomi's marriage being on verge of breaking and contemplates on what he should do.