Erica is helping host 50/50 Press' first Christmas party, much to the disappointment of her Rabbi father. In an effort to give Adam the perfect Christmas, Erica travels back to past Christmases.

After three years of time-travel therapy with Dr Tom, Erica has visited the past, jumped to the future and changed her life in the process, but now she has arrived right back where she started.

Erica and Adam are encouraged to confront their true feelings. For Adam, it leads to a journey into his family's dark past, where he discovers a startling memory that he has locked away.

Erica is offered an incredible career opportunity, which presents her with a difficult choice. To help her make her decision, Dr Tom sends Erica and Adam to a deserted island, to learn new ways of survival.

Erica's therapy session uncovers a shocking secret that could mean the end of 50/50 Press. Dr Tom has a time-altering solution for her but will Dr Arthur allow it?

The surprise return of a person from Dr Tom's past forces him to face old demons. Meanwhile, Kai returns to 2010 and Erica makes a decision that could affect both of their futures.

Jenny returns and wants to get her life back on track. Erica is eager to aid her friend but a trip to Black Creek Pioneer Village shows her that the helping hand Jenny needs is her own.

Cassidy returns for Pride weekend in Toronto and Dr Tom instructs Erica to let her impulses guide her.

Adam gets the chance to alter the circumstances that led him to a life of violence and crime. It's a path that Adam is sure he can't change; that is until he winds up in a surprising new present.

Kai's return prompts Erica to face up to her own mortality and try to embrace the present.

Erica revisits the site of Leo's fraternity pledge, where she learns a lesson about the dangers of taking the low road.

Erica is determined to pick herself up after her break-up with Ethan. Dr Tom knows someone from Erica's past who knows exactly how she feels, but will Claire and Erica be able to put their differences to one side to help each other?

Dr Tom sends Erica to the next stage of her treatment - group therapy. Erica must learn to help others as well as herself, but will it just be her own past that she ends up exploring?