Erica Strange (Portrayed by Erin Karpluk) is the protagonist of the series.Trying to pull through a difficult life as patient of a therapist named Dr.Tom she makes a list of regrets, and faces those one by one, by traveling through time.Erica was born in 1976, she was the second to be born and the first daughter. She was raised into a Jewish community and had her Bat mitzvah at the age of 12, with a Dirty Dancing main theme.Sam went back to Josh's to get her stuff together with Erica, but faced a black-out.They were invited into someone's apartment and went to party for awhile.Ethan doesn't have anywhere to go, so Erica promises him she'll help find a new place for him. Tom that she has a ton of questions and wanted to know what happened. Tom tells her to trust him and that would she explain number 7 on the list, Secret Society.
Two years after that, Erica started high school, where she met and became friends with Katie.
After college Erica took a long break and started working at little places, one which happened to be an internet café.
Sam and her high school boyfriend Josh broke up sometime after that, Erica helped Sam during this time.
Erica also mentions that Ethan will visit them from Montreal.
Erica heads out to drop off her résumés, and meets up with an old classmate, Antigone.