Marianne is reunited with Leonard in Montreal, but struggles to adapt to the city. Leonard becomes evasive when she delivers big news.

Leonard collapses after an intense period of writing. To save his career, he must go to Montreal to promote the book, with or without Marianne.

Leonard goes to New York and experiences a fateful meeting at the Chelsea Hotel. Marianne feels abandoned at Hydra and seeks solace elsewhere.

Leonard secures a record deal, but the substance abuse continues. Marianne goes to New York to help him.