Light at the end of the Tunnel is the sequel to Runaway Train - Derailed. Heather Johnsoncontinues to share the raw and real life events of her upbringing in a severely flawed foster caresystem.Just when it seems like things cannot not get any worse, the ultimate tragedy brings Heather andher family to their knees. Continuing to navigate the severely flawed foster care system as arebellious teen, she struggles to keep hope alive as she is placed in her final foster home. Willshe overcome all of the odds stacked against her to survive the darkness?