沉迷研究大脑的天才神经外科医生郑世玉（朴恩斌 饰），因一次严重纠纷被吊销医生执照，更被恩师崔德熙（薛景求 饰）背弃，两人从此反目成仇！而世玉更沦为黑市医生，从此将人命玩弄于手术刀之中。
小城桦林，此时，出租司机王响（范伟 饰）做梦也没想到，他还有机会遇到一个他此生最想遇到，又最怕遇到的人。是仇人还是故人？遇到了，就得有交代，给自己，也给儿子。 小城桦林，彼时，火车司机王响意气风发，开得了二十挂的钢铁巨兽却管不好鸡毛蒜皮的三口小家，工厂摇摇欲坠，危机处处紧逼。 一包身份未明的碎尸像一块石头砸在桦林的水面上，也砸在王响的头脑里，这片涟漪一荡就是20年，荡到秋叶泛黄，从未停歇。 迷失的父亲，死亡的恋人、重逢的老友，因一个未解的谜题被困在三个不同的时代里，只为追寻一个跨越了过去、现在、未来的真相，当谜底揭开时，时空融为一体，在漫长的季节里只剩命运的挽歌。
ABC确认续订第六季。
A group of teenage girls and boys in the city of Latina, just south of Rome, and its surrounding area during a summer that will change their lives forever.
Milan, 2030; where only eight years earlier the independent global spy agency Citadel was wiped out by Manticore, the powerful enemy syndicate that manipulates the world from the shadows. Since then, Diana Cavalieri (who is an undercover Citadel agent) is alone, trapped behind enemy lines as a mole in Manticore. When Diana finally sees a way out and the chance to disappear fore...
