This movie describes the development of Alzheimer's disease at a molecular level. It shows the very important role of the amyloid-beta peptides in the generation of deadly plaques in the brain. It is proposed by the research of professor Patrick C. Fraering who is head of the laboratory of Molecular and Cellular Biology of Alzheimer's Disease at the Life Science department and Brain Mind Institute of the Swiss Federal Institute of Technology in Lausanne - EPFL.