One guy lived in this world. And everything seems to be in his life develops well. He is a successful businessman, father and husband. But now he can not fully enjoy life. Walter Black, and that is the name of our protagonist, overcomes depression. But the joy and fullness of life is returned to him by a toy - a beaver. Just putting it on his hand, Black, as it were, gains a second wind. He completely reincarnates with the help of a doll. Relations with the wife, the child are adjusted. Even in the management of the company, Walter uses the services of a beaver. Ambient, and even more staff and friends just shocked by the strange behavior of the guy. But Black himself already cannot decide who controls his life, he himself or the beaver.