一個是替酒店物色陪酒小姐的皮條客，一個是保守溫柔的音樂老 師，八竿子打不到一塊兒的兩個人，這回偏偏在感情路上撞個正著！ 柳瀨純一（反町隆史）是替酒店找陪酒小姐的皮條客。這天，純一和夥伴加賀谷良 （吉澤悠）照常在池袋街頭獵豔。此時，良鎖定了一個獵物--琴塚七海（鶴田真 由），但在得知她已「高齡」29時，純一馬上將她排除在名單外。這是純一和感到 莫名其妙的七海的第一次相遇。 在私立女中擔任音樂老師工作的七海，一直很想改變自己平凡的生活。一天，正等 著電車的七海不小心把自己想拿去參加比賽的樂譜掉到鐵軌上，卻被純一奮不顧身 地撿起，也因此撿起一段原本不可能有交集的緣份…

Cheap love is about Nanami, a teacher, and Junichi who is a scout for nightclubs. Nanami lives a boring life preparing to get married to a boring man. When she meets Junichi she sees a chance of doing something exciting, but she did not think of falling in love. Also Junichi falls for the woman and it is the first time he believes that he can be worth for more than nothing. But a lot of things happen and of course, it is not that easy for them to be together and it always seems that they will not be able make it. But maybe there is a happy end after all ?

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