The film centers on Dr. Marcus, a renowned psychiatrist who has selected 6 severe mentally ill and dangerous patients from the Spring Valley Mental Hospital to interview as part of research for his new book. As Dr. Marcus interviews each patient, one by one the horrors they have committed begin to unfold. However, Dr. Marcus soon learns that there is one patient who ties them all together - Patient Seven.

Fragancia is arrested for the attempted murder of Richard Persson, the son of a powerful factory owner. During the interrogation her amazing and remarkable life story is revealed. We follow her through her impoverished childhood, her adolescence where she meets the great love of her life, ice hockey star Petterson-Jonsson and the lead up to the fatal night where the story begins.