两年后，周筱风援黔归来与林逸、方筱然会合，三人小分队再度并肩作战，但也面对全新挑战。周筱风自身执着奋进且严守医疗原则，机缘之下被破格提拔为东立医院史上最年轻的心内科执行主任。职位的晋升，让他看到了更多可能、面临更大考验，也颠覆了他与林逸方筱然间原本的关系，甚至医院内外的生态平衡也因此被打破。与此同时，他们还需要面对医生永远的对手——病魔。一个接一个的病人与他们身后的家庭期待医护联手拯救。理想与现实时时冲突，无奈和温暖往往共生，他们只有在奋斗中不断成长，继续保持着“问心无愧”。
It tells the story of Adolfo Novak, patriarch of one of the most powerful families in the country, who gathers his family and close friends to celebrate his 80th birthday. Behind the toasts and smiles lie decades of secrets, betrayals, blind loyalties and a strong desire for revenge. The evening will end up blowing up and revealing a truth that, when finally comes to light, will be much more unexpected and surprising than any previous suspicion.
青年干部陈默参观纪念馆回溯历史，唐代张九龄为民开凿大庾岭，遭权贵多方阻挠破坏。面对天险、断粮、谣言与洪灾，张九龄散尽家财率众开山，赤诚打动监察官王琰。王琰挣脱派系束缚，携证回京直言，利民工程终得贯通。
