Henry is sent by his Aunt Nati to Madrid to begin practice as a doctor because seven years ago he finished his studies and has not yet worked. When he arrived, away from obey her aunt, decides to live together with his friend Mateo, a professional private detective. His first appearance as a doctor is to extend the death certificate of the husband of a beautiful woman that he meets on the road. The next day he sees, in a night club, the widow accompanied of the deceased. On being informed that t...