Kyliegh Curran as Harper Marie Dunn, Griffin’s new best friend is excited to learn if the rumors about Savannah are true and help Griffin find out. Curran also portrays Harper’s great-grandmother Daisy Tremont as a young girl.
12-year-old Griffin Campbell and his family move into the closed down and dilapidated Tremont Hotel in Sulphur Springs, Louisiana, that his father bought without much explanation. The hotel is supposedly haunted by Savannah Dillon, a camper at the Tremont Camp who disappeared thirty years ago.
With his new best friend Harper from his new school, Griffin discovers a portal that takes the two back in time 30 years to 1990, which they use to meet and find out what happened to Savannah Dillon. They try to save Savannah from disappearing.
Season 2 focuses on Harper as she tries to uncover the secrets behind her connections to the Tremont hotel after discovering a photo of her great-grandmother Daisy which leads her to believe that the answers lie in the 1930s.