Jonas's alleged sister who eagerly embraces him as Rocky. She engages in an incestuous affair, later revealing she accidentally killed the real Rocky when he tried to leave their relationship. After a heated argument, Jonas accidentally kills her against a wall.
A passionate, illicit romance blooms between Jonas and Billie under the guise of siblings.
Billie is the biological sister of the deceased Rocky, with whom she shared a forbidden relationship.
Mara and Billie operate as a mother-daughter unit, jointly sustaining the household and the deception.
Explore the full interactive character relationship map of Road to Salina