When two friends inadvertantly discover that a famous neurologist, Doctor Givert, has been kidnapped, they begin investigating the case. The situation becomes complicated, however, when the protagonist can no longer trust anyone--including his friend--and decides to solve the case on his own. Cuando dos amigos descubren por descuido que han secuestrado al doctor Givert, un famoso neurólogo, empiezan a investigar el caso. La situatión se complica, sin embargo, cuando el protagonista duda de todo y de todos--incluso de su amigo--y decide solucionar el caso por su cuenta.