Vazgen, Sako, Suren and Aram are taxi drivers and close friends. When Aram fell in hopeless love with Karine, other three decide to help their friend.
Rich Nikoghos-agha buys some beef liver for Nerses-akhpar's family. Although months have passed, Nikoghos-agha does not hesitate to remind his "charity" to Nerses-akhpar every time they met.
The well-known scientist was a spy in Germany during the Great Patriotic War, and he managed to obtain information about a secret German facility.