Soyer considers himself a modern-day messiah and eats soybeans exclusively for the good of all living beings. After his mother is hospitalized, the care of the strange youth falls on the shoulders of his sister Malgoska and her husband Janek. The successful couple leads an ordinary life focused on material values. Soyer decides to save their souls and set them on the true path. In his fanatical faith, he is ready to use any extremes to change those close to him.