马警长名叫马大军，自从被任命为海川市桃源居社区警务室警长后，在这个“小社区大社会”里，他面对着形形色色的人，千头万绪的事。因他“一根筋”的傻，领导骂他是“马大哈”；因他处理民间纠纷别出心裁，有人夸他有智慧；因他爱民矻的憨实，老大爷、老大娘视他为亲儿子；因他的热情与真诚，社区女孩叫他哥，甚至以死相逼非他不嫁……。本剧因马警长的演绎，使严肃的公安工作有了诙谐、幽默，在令人捧腹大笑的故事中体现出一个普通民警对工作的热爱和幽默的智慧，成功塑造“马警长”爱民、亲民、近民的可爱形象。
在俄国革命的余波中，Alexander Rostov伯爵发现自己光鲜亮丽的过去将他置于历史的错误面。没有被立刻处决的他，被苏联革命法庭放逐到了大都会酒店的阁楼中，如果他再次踏足户外，将面临死亡。时光流逝，酒店外的俄国经历了最动荡的几十年，而Rostov所处的受限境遇，则让他的精神得以进入一个更为广阔的天地。随着他在酒店内建立起新生活，Rostov发现了友情、家人和爱的真正价值。
Sydney finds herself face-to-face with her long-lost mother, Irina Derevko, whose intentions for her daughter are made chillingly clear. However, Sydney manages to escape and rejoin Jack and Will in their escape from Taiwan. After arriving back in Los Angeles, Sydney continues her search for Vaughn, not knowing if he is dead or alive after being swept away by a wall of water in Taipei. Will's life is forever changed when he learns the truth about SD-6 and Sydney's life as a double agent. Also, Dixon must decide whether or not to inform Sloane of Sydney's suspicious activities. But Jack intervenes and covers for Sydney who later finds Vaughn who helps her try to track down her mother Irina who's searing for a Rimbaldi artifact called 'the Bible.'
