Fighter Max Kholodov nicknamed Bull Terrier is a mixed martial arts star. After a serious injury in the ring, his life goes downhill: the road to the title of world champion is closed, and the girl he loves goes to another. To survive a series of failures and find a new meaning in life, Max leaves for the coast. There he must find the strength in himself to return to the ring again and have the main fight of his life.
In a large family, after a trip to the store, another child suddenly appears. He speaks an incomprehensible language and does not know where he came from. But in a family where there is love, this is not important. Gradually, from an undesirable burden, he turns into a beloved family member and returns peace and happiness to the main characters, Sena and Lida.
