某电台举办广播剧剧本征选大赛，结果只有普通家庭主妇铃木美弥子（铃木京香 饰）一部作品提交并入选。该故事讲述的是热海一名主妇与渔夫的纯爱故事。午夜将近，直播在即。节目统筹牛岛龙彦（西村雅彦 饰）莅临现场，协调各个部门的运作。然而在这高度紧张的关键时刻，各种状况层出不穷。高傲的女演员千本信子（户田惠子 饰）任性地将女主角“律子”的名字改成“玛丽·简”，演对手戏的男演员滨村錠（細川俊之 饰）也不甘于“寅造”这一土了土气的名字。为了与这番洋范儿相匹配，牛岛只得拜托铃木改写故事背景。随着各种各样无理改动的出炉，这出纯爱广播剧早已看不出原来的样子…… 　　本片为名编剧三谷幸喜的导演处女作。A radio play is going to go on air at a Tokyo radio station. It is a weepy melodrama written by housewife Miyako, who is the winner of the competition run by the station. Suddenly, the hot-tempered lead actress Nokko decides she wants the name of her character to be Mary Jane and not Ritsuko. That leads to the chain of events which changes the play completely.