The film is dedicated to the Soviet scientist, the grandson of the microbiologist N.F. Gamaley, Doctor of Biological Sciences N.F. Gamaley, who headed the laboratory of biological action at the Institute of Oncology Problems of the Academy of Sciences of Ukraine, which is engaged in the development of laser treatment for oncological diseases. NF Gamaleya, sitting in his office, talks about how he came to oncology (parts 1,2). NF Gamaleya at the laser apparatus (2 hours). Landscapes of the autumn park (1 hour). NDP from the dome of churches on Vladimirskaya Gorka to the bridge over the Dnieper (1 hour). Seascapes. General view of the office where the patient is exposed to laser beams. A patient during a procedure using a laser, a doctor is standing nearby (2 hours). Flasks with experimental mice (2h.). A laser-tipped needle is inserted into the patient's vein (2 hours). The film is illustrated with photographs from the personal archive of N.F. Gamaley.