Lindsay gets suspicious when Rebecca seems to be secretly awaiting an important letter and realizes just how much she was right when the letter finally arrives Ellenor gets a hysterical call from a client, who ran over a man in the street while drunk, and is shocked to discover exactly who he hit Hellen prosecutes two boys accused of rape and murder, each accusing the other, and ends up making a deal with the wrong one
1940年上海丁一张一山 饰和顾仰山韩东君 饰一个是潮声剧团的龙套演员苟安于上海租界中为生计做眼盲密码专家李约瑟的替身；一个是留洋归来的军统特工为阻止李约瑟替日工作将其误杀自此两人产生羁绊顾仰山将计就计雇佣丁一继续冒充李约瑟意图破坏日军密码研究计划丁一被卷入了这场意外顾仰山作为助手并肩战斗在潮声剧团老板冼碧云的帮助下潜伏进日军情报机构他们不仅要破坏日军密码系统的研制还得掩饰丁一既不眼瞎更半点儿不懂密码学的事实身份背景完全不同的两人经历过重重考验后结成生死之交但丁一亲眼见证共产党人为信仰前仆后继的壮举后秘密成为了一名共产党员踏上了与顾仰山完全不同的道路这双兄弟即将面临着人生道路上的重大考验……
