The film begins with Oleg living in an orphanage in Ukraine. He is a happy and outgoing child, but he longs for a family of his own. One day, he is adopted by an American family, the Pikuls, and he moves to the United States.
At first, Oleg struggles to adjust to his new life. He doesn't speak English, he doesn't know the customs, and he misses his friends and family in Ukraine. However, with the help of his adoptive parents and his new friends, he slowly begins to feel at home in the United States.
As the years go by, Oleg grows into a happy and successful young man. He learns English, goes to college, and gets a job. He also starts a family of his own, and he becomes a father to two children.
The Happiest Boy in the World is a heartwarming and inspiring story about the power of love and family. It is a story that will leave you feeling uplifted and hopeful.