The story of a simple man. Ruslan lives in Dagestan, he is 46 years old. He and his wife are raising sons, developing a small business. Ruslan recently donated his bone marrow and saved the life of an unknown child.

Matvey is a young guy from the city of Vladimir. He studies at the technical school as a welder and locksmith of construction machines. He is fond of cycling, works in a sports store, and is also a potential bone marrow donor. If a coincidence happens and Matvey's cells help save someone's life, he is ready to give a part of his bone marrow to a stranger.