张国栋曾是高考命题负责人，后来回到家乡小城投身教育，成为一名普通的高中老师。张国栋为学生免费补课，却遭到学生家长的举报，被迫离开耕耘了半辈子的讲台。学生家长轻信教育机构，认为自己孩子能考上京华大学，却在高考第一天接到孩子哭诉考试失利的电话。最终黑心的教育机构被查处，张国栋重回教育一线，成为受人尊敬的名师。

When Noam pairs with Jonah on a history project, they are surprised to discover gays and lesbians were also targets of the Nazi Holocaust. Among Noam’s grandfather’s possessions he discovers what could be a love letter written by a man. Detective work and historical research inspire the pair to track down the letter writer, in this intriguing and important drama.