Ernesto Durán is convinced he is sick. It becomes an obsession far exceeding hypochondria, and when Dr Andrés Miranda gives up responding to his letters and e-mails, Durán resolves to stalk him. The fixation has its own creeping effect on Karina, Miranda's lonely secretary, who cannot resist becoming involved. Meanwhile, Dr Miranda has troubles of his own: he has diagnosed his father's illness, but cannot summon the courage to tell him. In trying to find the perfect opportunity to break th...