Shipwreck survivors are found on Beiru Island (Infanto t?), which was previously used for atomic tests. The interior is amazingly free of radiation effects, and they believe that they were protected by a special juice that was giv...

　　清贫的女学生彩子因生活所迫与供职于高校的医学副教授泷川亮吉（小泽荣太郎 饰）结婚，然两人性格年龄皆有较大差距，婚后生活并不和谐。泷川的学生幸田（川口浩 饰）适时走入他们的生活，这让彩子既感欣慰，有承受更大的痛苦。　　夏日某天，泷川同妻子、幸田去北穗高泷谷攀岩。泷川失足滑落，三人性命危在旦夕，彩子最终割断绳子，致使泷川坠崖身亡。事后彩子被捕，法庭上双方围绕彩子是否蓄意谋杀而展开激烈的辩论，作为当事人的彩子和幸田，也不得不去面对内心的真实感受……