故事发生在西北大学，戴景林的儿子戴修（杜海涛 饰）远赴澳洲，父子关系决裂；他的学生王鹏（张赫 饰）不顾劝阻，为了出国不惜剽窃老师科研成果；他的妻子沈玉芬（奚美娟 饰）因他专注科研忽视家庭，对他不满；他的关门弟子毛西（王栎鑫 饰）认为他只知读书不懂爱国，不再叫他老师。随着戴修的死，戴景林忽然发现了儿子的秘密，毛西从戴景林在国外的演讲看到了他另外一面；王鹏和沈玉芬也意外得知了戴景林的良苦用心。然而就在这时，戴景林却倒下了……

As a physics professor of Northwest University, Mr. Dai meets some difficult with his son, student, and wife. At the last paragraph of his life, a series of softhearted stories happened.