文革大潮襲來(lái)，不僅使無(wú)數(shù)人蒙受不白之冤，也摧毀了整整一代人的青春和未來(lái)。萬(wàn)千熱血青年響應(yīng)“上山下鄉(xiāng)”的號(hào)召，前赴后繼奔赴祖國(guó)邊疆。他們?cè)谀抢飺]灑著自己的青春，對(duì)未來(lái)與前途倍感迷惑。十年一夢(mèng)，大返城的洶涌狂潮將這群已不再年輕的青年人帶回家鄉(xiāng)，在這片他們?cè)?jīng)耕耘過的熱土上，不僅曾留下汗水和淚水，還有他們生命的延續(xù)。
　　歲月荏苒，光陰似箭。當(dāng)年的那些老知青們各自有了穩(wěn)定的工作和美滿的家庭，他們漸漸忘卻遠(yuǎn)在他鄉(xiāng)的記憶和兒女。而在云南邊疆，一群知情的孩子知曉了自己的身世，他們結(jié)伴乘火車來(lái)到上海，只為找到生養(yǎng)了自己，卻又將他們拋棄的父母……

　　In Season 16, it’s a challenge for Ronald “Mac” MacDonald (Rob McElhenney), Charlie Kelly (Charlie Day), Dennis Reynolds (Glenn Howerton), Dee Reynolds (Kaitlin Olson), and Frank Reynolds (Danny DeVito) who yearn for the past as they attempt to survive in 2023.
　　This year alone, Mac battles with allergies and long-distance dating, Charlie takes on his long-forgotten sisters, Dee fights for rent control and women’s athletics, Frank wrestles for his gun, and Dennis struggles to improve his mental health. At the end of the day, they’re navigating 2023 with 16 years of baggage as a few figures from their past rear their heads.

　　一群心懷濟(jì)世理想的少年人在刺客學(xué)苑中苦修武藝，紛紛盼望完成學(xué)苑試煉，離苑行俠仗義。排行第一的學(xué)霸少女韓小楚首個(gè)獲得試煉機(jī)會(huì)，眼看就能出師，卻被吊兒郎當(dāng)?shù)膹U柴同學(xué)龍辟邪干擾，于最終試煉中失利。緊接著，一系列驚悚事件接連發(fā)生：試煉突然變成危及性命的追殺、廢柴龍辟邪其實(shí)是武功絕頂?shù)母呤帧⒆窔⑺麄兊娜耸菍W(xué)苑教師，而當(dāng)死里逃生的韓小楚一覺醒來(lái)，卻發(fā)現(xiàn)她唯一可以依靠的龍辟邪神秘失蹤