Andrey Prikhodko is a talented heart surgeon. His wife died several years ago, and he intends to marry once more. But his son is very malicious to his father’s new choice, and the couple has to part. The only way to Andrey not to give up hope on life completely is his work about the research of the heart transplantation possibility. The time of a test operation approaches, and the character tries in every way to put on the back burner his personal problems.