Annie's arrival in Muskoka takes a surprise turn when she finds the cabin she's inherited is already occupied by Ramona, a stranger with an uncanny resemblance to her adoptive mother. Their not-so-burgeoning relationship hits another bump over a letter from Gordon to Ramona that points to a buried connection between them, forcing both girls to reckon with a shared past they never knew existed.

Desperate to convince Connor against selling Sterling Point, Annie spends the day showing him the island's charm, but tensions peak during a chaotic night at an outdoor movie. Ramona spirals over Oona's new flame, Ellis and Rory compete for Annie's attention, and new revelations emerge about Ramona's birth and Goldie's death.