Since she was young, Clare has had an imaginary friend -- a kind and funny man, sometimes old, sometimes young, who appears in the woods behind her house and tells her tales of the future.

After a rocky first meeting, Henry and Clare try to reset with a second date, but she still struggles to rectify this Henry with the man she knows and loves; Henry takes Clare back to the most formative moment of his childhood.

As Clare laments her linear lifetime and the unpredictability of her soul mate's appearances, a teenage Clare turns to Henry for help.

Clare invites Henry to a dinner party, but secrets are spilled when it's crashed by another Henry; Clare tries to make her 18th birthday perfect.

Despite the years spent together in the clearing, Henry makes a complicated trip to Clare's childhood home for the first time.

As his wedding day with Clare approaches, an increasingly stressed Henry finds unexpected solace.