农情蜜意：危险同居关系

　　A couple on the verge of a nasty divorce attempt to sell their empty love nest and move on with their lives, separately. After a successful open house they are horrified to discover, days later, that a potential buyer didn't leave their home. While Alice is being held captive in the basement, the unannounced house guest moves in upstairs. She senses her capture is being kept a rebellious secret. She knows her way only way out if she can only get out alive.

平侍出身、独眼的剑豪丹下左马之介（森山未来 饰），奉相马家当主大膳亮（每熊克哉 饰）之命，前往江户小野冢道场夺取传说中的一对妖刀“乾云丸”与“坤龙丸”。他以忠义为念拼死挑战，却在激斗中失去了右臂。幸得通缉犯阿藤（黑木华 饰）与与吉（加藤谅 饰）相救，奇迹般地存活下来，化名“丹下左膳”重生。此后，围绕妖刀的阴谋不断扩大，敌人接踵而至，连町奉行大冈忠相（高桥克典 饰）也卷入其中——一场关乎忠义与命运的江户风云由此展开。

本片以1978年开始发售就一直受到喜爱的点心“愉快动物饼干”为基础制作，讲述了以狮子为首，大象、河马、猴子、小兔、小猫、长颈鹿、鳄鱼、小鸡，以及新角色天马行空又哭又笑的故事，描写了只有“可爱”这一优点的他们，为了拯救世界灭亡的危机而奋斗的模样。