The Russian TV series "Son" tells the story of Vasily Bulatov, a young veterinarian from the capital city. When he arrives in Greece, the protagonist is kidnapped from his hotel room by terrorists. Along with them, Vasily ends up in Syria. His mother, who is also a doctor in Moscow, sets out to find her son. She seeks help from Russian government representatives, but they believe that Vasily joined the gang on his own initiative. Lika seeks help from Vasily's father, whom she hasn't been in contact with for many years.