Simon pursues Rowan, complicating her feelings for Tommy. Jack and Claire decide to hide Camille's return while Tommy investigates a brutal attack in town that has similarities to attacks that occurred years before.
Jack and Claire want to move so Camille doesn't have to hide, but Camille pretends to be a cousin so she can get out of the house. Lena discovers a mysterious scar on her back, and Victor has a run-in with a nosy neighbor.
Lena is rushed to the hospital because of her scar, accusing Camille of hurting her. Rowan grows closer to Simon and discovers Tommy has an obsessive secret. Julie learns Victor may be involved in a horrific death.
Rowan and Tommy's celebration is overshadowed by a mysterious premonition. Julie makes Victor face his tragic past. Camille realizes she will never be normal and Helen's plan meets a mysterious end.