Amok by Stefan Zweig

"Amok" is a novella that delves into the mind of a European doctor, who, while working in the Dutch East Indies, becomes obsessed with a wealthy and married female patient. The doctor's fixation spirals into a dangerous and self-destructive passion after she asks him to perform an illegal abortion. The story is a psychological exploration of obsession, guilt, and moral boundaries, told through the doctor's confession to a stranger during a ship journey.