Potol, a singing prodigy, lives in a village with her mother, uncle and aunt. However, after her mother's death, she sets out to search for her father, whose identity she does not know.

1948年，特别调查局要员俞北平被上级调往青城，奉命调查发生在那里的命案，可实际上，俞北平的真实身份正遭到上级的调查和怀疑，他时时刻刻都处于危险之中。在青城，俞北平遇见了名为林莎的女子，身为美军中尉的她，其真实身份其实是俞北平失散多年的女儿。 俞北平还有一个小女儿名为徐丹妮，此时正在青城上大学的她被卷入了和已婚大学教授的不伦之恋之中无法自拔，与此同时，她和父亲之间的关系亦因为俞北平特殊的身份而陷入了僵局之中。俞北平一边要顺利完成上级交代的任务，一边要和狡猾阴险的敌人周旋，一边还要承受来自至亲的不解和误会，他陷入了苦战之中

为了给父亲过生日而从美国回到故乡的艾玛意外在家里的冰箱里发现了人的脚骨，由此被卷入了一桩“已被侦破”的悬案。心存疑虑的她认为事情并不这么简单，同一时间健身房的女老板又再一次遭遇了“意外”。身为法医的她和身为验尸官的父亲长期关系疏远，二人无法做更进一步的沟通。警局的金毛小片警与她初次见面之后被其所吸引，时不时的尾随在后，常常上门搭讪。在这一切平静的日常之下，艾玛的归来似乎又另有隐情....

A political prisoner in Shaah regime who lost his little girl in Tehran City before his conviction, be released and return to his own city (Khorramshahr) after 15 years. In this time his girl knows about her origin and try to find her father, but Iran-Iraq war begins and Iraq army brunt to Khorramshahr City.