Turned out of the university,<BR/>Professor Fermín Escartín<BR/>decides to become a private<BR/>detective. His first case<BR/>comes to him through an<BR/>ex-school friend, Gumersindo<BR/>Llamazares, now a brilliant<BR/>executive in an insurance<BR/>company. Escartín has to<BR/>find the famous impresario<BR/>Serafín Galindo, an eccentric<BR/>millionaire, who has disappeared.