Eun-gi's eventful life in a boarding house has begun with the three ladies: a sexy owner of a boarding house, her daughter who is even sexier, and his innocent first love. Eun-gi, a freshman, has found his new place in a boarding house operated by mother and daughter when he came to Seoul to study. His only pleasure is to play along in the unspoken push-and-pull relationship with the mother or the daughter. One day, his first love, Soon-yi, who is innocent and docile, suddenly comes to visit him at the boarding house. With the sexy daughter of the boarding house behind the door, and the curvaceous lady owner of the boarding house in the bathroom next to his room, the 20-year-old virgin Eun-gi's sleepless night begins.

"六一"国际儿童节这天，小胖和小伙伴们兴高采烈地来到电影院，观看了当年《小铃铛》的精彩演出。散场后，小胖他们意犹未尽，商量到那里去找小铃铛，想请他继续为今天小朋友的演出报幕。小胖他们一起来到北影厂，向赵子岳、于洋伯伯打听，几经周折，终于找到《小铃铛》片中的小演员，如今已成为军官的石小满叔叔和大提琴手马佳阿姨。热心的小满叔叔和小胖他们一起去木偶剧院找胖院长。院长陪他们去了道具库，里面摆着许许多多的木偶，可就是没有小铃铛。小胖失望地回到家，向爸爸讲述的此事，爸爸逗他说，吃完饭睡…

1952年，在板门店谈判中，L高地的归属直接影响到停火线的划定，南北双方为了获得更有利的战果，围绕L高地展开了新一轮血腥的争夺。此时，在前线的韩方鳄鱼中队队长被自己人的手枪击毙，同时北方人民军军人的家信在暗中通过韩方邮路寄送，韩方怀疑高地前线出现内奸，派调查部门的姜恩彪中尉（申河均 饰）陪同新任队长前往鳄鱼中队。此时鳄鱼中队实际掌控在姜恩彪昔日战友金秀赫中尉（高修 饰)以及申日荣上尉手中，姜恩彪惊异的发现曾经书生气十足的金秀赫如今已变成强悍的战士，而表面上军纪涣散的鳄鱼中队在实战中则有着惊人的战斗力。姜恩彪随鳄鱼中队一起经历了拉锯式的高地争夺战，而他终于无意中发现了鳄鱼中队“通敌”的线索……

马奇夫人（劳拉·邓恩 Laura Dern 饰）有着四个如花似玉的女儿，大女儿梅格（艾玛·沃森 Emma Watson 饰）拥 有着美丽的外表，和对于爱情的天真憧憬。二女儿乔（西尔莎·罗南 Saoirse Ronan 饰）满脑子塞着古灵精怪的念头，整天拿着蘸水笔东写西写，她的故事在全家上下都受到了热烈的欢迎。三女儿艾米（佛罗伦斯·珀 Florence Pugh 饰）渴望成为一名画家。最小的女儿贝斯（伊莱扎·斯坎伦 Eliza Scanlen 饰）虽然个性比起三个姐姐要来的内向的多，却拥有杰出的音乐天赋。在马奇夫人的教导之下，四个姑娘渐渐成长为了拥有独立人格的杰出女性，她们热情、乐观、善良，每个人都在各自的道路上坚强而又坚定的前进着。