Production :
Cinematographers' Club of Riga Film Studio
Language Letton
Plot synopsis
Poetic and dynamic story about the importance of blood donation. Human circulatory system is metaphorically equalled with the electrical current running in the trolleybus wires. The film shows medical students, blood donors and donation process, doctors preparing for operation, ambulance car. The film has been dedicated to the donors deceased on 20 September 1972.