Mark Grayson is a normal teenager except for the fact that his father is the most powerful superhero on the planet. Shortly after his seventeenth birthday, Mark begins to develop powers of his own and enters into his father’s tutelage.
In this special prequel episode, Samantha ‘Atom Eve’ Wilkins discovers her superpowers as a young girl - and must come to terms with her own sinister origins as she discovers a family she never knew she had.
