A comedy about exchange of 12 apartments , which, its organizer, lawyer Radosta, rightly called Action Ball Lightning. To prepare, organize and execute the exchange of twelve apartments is a work worthy champions. Radosta, who was excellently played by Rudolf Hrušínský, solved all sudden difficulties and complications on the fly and with grace. To be sure that the on the D-day everything goes well he prepares a little rehearsal, which reveals many minor issues caused for example by wedding ordered to inappropriate term or hesitation of some participants. Last but not least a night exercise announced by drunk psychologist Knotků, creates a lot of confusion that nearly sabotaged the whole operation.

在这部影片中，一对夫妇，看到可爱的工作是他们的朋友已经将老磨房的房子变成一个舒适的豪宅完成后，移动到一个古老的农舍说服目前的拥有者，一位老人后，离开。当他们到达时，他似乎准备离开，但它很快变得明显，该男子已经没有去住与他的孩子的意图，并打算留在家里。起初，他们发现他的存在难以忍受，但当他必须去医院，他们开始意识到，他们关心争强好胜的老绅士。