A 13-year-old girl, who refuses to reveal the name of the father of the child she is carrying, causes chaos in her small town, which has already suffered a collective tragedy.

While in Montreal for a conference, a Spinoza scholar sees his life turned upside down after giving in to the advances of a student who had challenged herself to seduce him.

Learning that the time line is flexible, a Montrealer seeks to return to the past in order to prevent the tragic incident that broke up his family.