Montreal, 1888. Stephanie is a young girl with a gift for the sciences. But despite her aptitudes and intelligence, she is unable to make a place for herself in the misogynous and phallocratic world of a university. She nevertheless helps her mentor, Professor Beaumont, to develop a prototype time...
After arguing, Dan and Élise decide to leave for the cottage as to spend time together. Once there, not only do they find a freezing cottage but they are faced with the unexpected presence of Jean-François and Françoise which upsets their reconciliation project.