Patalliro du Malyner VIII is the crown prince of Malynera, a kingdom that produces diamonds. Despite being ugly and mischievous, he is loyal and fair. Many enemies of the throne, including Malynera's Prime Minister, plan to get rid of him and take control of the rich nation. Patalliro, however, has the protection of Jack Barbarosa Bancoran, his haughty and extremely handsome bodyguard, who will protect him even from the latter's own lover, the beautiful bishonen hitman Maraich Juschenfe and other assassins.

中年男子山下拓郎（役所广司）在亲眼目睹了妻子与人偷情的场面后，于愤怒中刺死了妻子，锒铛入狱，八年后，获假释出狱的他在千叶县利根河边开了家小理发店，因为当年的遭遇，他对人很难再信任，平时唯有的交流对象是所养的鳗鱼。山下无意间救下自杀的桂子（清水美砂）后，后者为了报答他留在理发店里工作，并因性格开朗为他招来很多客人，而他的性格亦渐渐阳光起来。
山下的前狱友高崎出狱后，来到利根河附近从事垃圾回收的工作，为将山下的平静生活打乱，他开始不断地揭露山下的“丑行”，而桂子的原情人堂岛也于此时寻来，要带桂子和她的钱走，虽然深知一旦与人发生冲突就必须回到狱中继续服刑，山下还是为了保护桂子勇敢地采取了行动。

A duo of contract killers' fragile partnership is tested when their most recent hit starts to have unforeseen consequences.

A duo of contract killers' fragile partnership is tested when their most recent hit starts to have unforeseen consequences.