A doctor invents invisibility potion after years of research and tells his assistant. Disclosure of the invention causes a lot of trouble, the biggest problem is that criminals steal the pot... Read allA doctor invents invisibility potion after years of research and tells his assistant. Disclosure of the invention causes a lot of trouble, the biggest problem is that criminals steal the potion and use it for bank and museum stealing. The doctor destroys the invisibility potion u... Read allA doctor invents invisibility potion after years of research and tells his assistant. Disclosure of the invention causes a lot of trouble, the biggest problem is that criminals steal the potion and use it for bank and museum stealing. The doctor destroys the invisibility potion ultimately.