抗美援朝战争中，美帝妄图以空中优势扭转败局，阴谋炸毁金川里大桥，破坏我方主要交通干线。志愿军某飞行中队长高骏涛率队迎敌在总结经验教训的基础上，他根据毛主席的战术原则，担出新的作战方案。空中指挥员孟副团长由于对敌人的力量估计过高，过分强调空中作战的特殊性，不同意高骏涛的正确建议，但是，祁政委给予他极大的鼓励，并批准了他的作战方案。高骏涛带领他的三中队按新方案胜利完成保桥任务，将威震欧洲的美洲虎大队打得落花流水，使敌人阴谋彻底破产。
身为角头的阿庆（郑人硕 饰）在北馆角头大哥仁哥的女儿满月宴上，偶遇摄影师小淇（谢欣颖 饰），原本水火不容的两人，在一次次的争吵中发现其实自己最在乎对方。阿庆与小淇相爱、相知、相惜、互相扶持，阿庆为小淇解决困难、小淇在阿庆事业遇到瓶颈时给予鼓励。但就在此时湳沆的世界在背地里陷害北馆贩毒，不仅让北馆深陷危机，仁哥与五虎们相继误解阿庆，小淇也因为阿庆受重伤。阿庆分身乏术，痛定思痛决定奋力一搏。
老来相作伴的闺密去世后，老龄94岁的埃兰诺怀抱对挚友的思念，搬回纽约和女儿同住，但牙尖嘴利的她没几天就把母女关系搞僵，还直接被丢包到犹太社区中心上音乐课。一个不经意的瞒天大谎，让她误打误撞与新闻系学生妮娜成为忘年之交，在这座沟通匮乏的城市里，共享和抚慰彼此的拥有与失落。但随着谎言越滚越大，两人的友谊也岌岌可危⋯⋯
Lois Ames is devoted to her job as the editor of a magazine, and her wealthy husband Fred is equally dedicated to polo and parties. Lois's long hours drive her secretary to quit, and she replaces her with Tom Sheridan, who happens to be in the office demonstrating a rowing machine. Tom likes the work and continues to advance until he is indispensable to Lois. Ruth Holman, Tom's fiancée, is jealous of Tom's relationship with Lois and with some reason, as he is falling in love with her. In the meantime, Fred is having an affair with Ann Le Maire, a woman whose interests are closer to his own. Because he feels his love for Lois is hopeless, Tom quits his job and plans his marriage to Ruth. Lois tries to patch things up with Fred, but he suggests that they divorce instead. On Tom's last night, Lois keeps him working late. Ruth is furious and storms up to the office where Lois and Tom are dining. She threatens to tell Lois's husband about their relationship, which leaves the way clear for Lois to announce her pending divorce. Ruth breaks off her engagement to Tom, and he immediately asks Lois to marry him.
