夜幕将至

项少龙（张家辉 饰）是一名房地产经纪人，和相恋多年的女友求婚之时，女友竟然嫌弃项少龙拿出的婚房面积太小，声称不购入豪宅便休想结婚，为了娶到心爱的女人，囊中羞涩的项少龙想破了脑袋却也找不到解决问题的办法。就在这个节骨眼上，一幢名为“天下无双”的豪华别墅低价开卖，凭借着敏感的职业直觉，项少龙从中发现了商机，他找来了金凤（郑秀文 饰）、阿黑（杨颖 饰）和瓦力（欧豪 饰），四人共同分担房款，盘下了别墅，只待炒高房价便可出手大赚一笔，可是，就在此时，政府开始打压楼市，无奈之下，项少龙一行人只得先行入住，一个奇特的“临时家庭”就此组成。

根据韩战期间真实战事改编。1950年6月25日，北韩挥军越过三八线突袭南韩，三日攻陷汉城（今首尔），战线不断南进。在美军及联合国军支援下，南韩军逆势反击。美军指挥官麦克亚瑟提出代号为「铁铬行动」的仁川登陆计划，该计划急需一支大队的兵力从侧翼阻击扰敌、声东击西，通过长沙里切断北韩军的补给线。由于任务本身极其艰钜，加上南韩国军当时兵力薄弱，无法抽调足够正规军支援，军方不得不把这项任务交付给772名学生兵执行，这些学生兵平均年龄只有17岁，仅仅接受了两星期的军事训练，在毫无实战经验的情况下投身战场。行军路上固然杀机重重，战友内部也诸多衝突，年少气盛，迸发出各种角力。仁川登陆战前夕，长沙里登陆任务如期执行，这群徒有一腔热血但战力薄弱的学生们，无可避免地接受命运中最残酷的考验：穿越炮火与海浪，浴血长滩，馀下部队身陷敌军重重围剿，直至弹尽粮绝，挣扎于阵亡与倖存的分界线上…Based on the incredible true story of Jangsari Landing Operation. When North Korea invades South Korea on June 25, 1950, they pushed South Korea and its ally US Army to the southernmost city. U.S. General MacArthur planned Operation Chromite, which would see the joint allied forces to take back a strategic location of Inchon and in order for it to succeed, he needed a small battalion to flank the North Korean army and eliminate their supply line at Jangsari beach.Having lost his family on his retreat away from North Korea before the War, a model student Choi Sung-pil enlists in the army to fight for the South. Ki Ha-ryun is a rebellious youth from the South who volunteers to fight in the war. All of the 772 students and youths are like them who are barely out of school with only 2 weeks of boot camp training. Task force commander Captain Lee Myung-jun knows that it’s a long shot, but he has no choice but to lead them into a crucial mission. Meanwhile, US war correspondent Maggie braves the dangers of the battlefield to report on the war in the frontlines. She feels empathy for the Korean students who must go into battle on behalf of the veteran soldiers for their country, and tries to do what she can on her end to rescue them.With little ammo, scant food supplies and raggedy weapons, can the students successfully carry out their mission and return home safely?

方宝庆（李雪健 饰）是一位唱大鼓书的艺人，一人养活一家五口，生活过得十分艰辛。宝庆买来的小女儿秀莲跟着宝庆学习大鼓书，两人之间感情十分深厚。日军来袭，宝庆拖家带口逃亡重庆，偶遇了同道旧友唐少爷，两人一拍即合，决心办一个名为“升平”的书场，生意兴隆。春风得意的宝庆想办一间教授大鼓书的学校，哪知道就在这个节骨眼上，日军的轰炸机将他的梦想炸得粉碎。宝庆偶然结识了作家孟良，请他来家里教秀莲识字，在孟良的建议下，宝庆将秀莲送往学校念书，秀莲却因为出身不好而在学堂里饱受欺凌。宝庆的胞兄死了，秀莲被奸人糟蹋，嫁出去的大女儿大凤又遭到夫家抛弃，一向坚强的宝庆一下子垮了。

为了举办个展来日的世界级青年现代艺术家NERO，抵达后暗中前去探访了传说中装饰着自己画作的赝品的旅馆，并在那里遇到了与自己长得犹如双胞胎的韩国留学生DAEWON。震惊之余，NERO出于“某个目的”，向DAEWON提出了与自己交换身份的请求。在与旅馆继承人的薰（暂译）接触的过程中开始直面过去的NERO，假扮着时代弄潮儿的同时也在摸索着自我方向的DAEWON，拥有着相同外貌，却有着不同性格不同身份立场的两个人……在他们交换身份的这期间，他们所找到的“真正的自我”到底是？