dark family secret theme

There is an embarrassing fact about something pertaining to a person's family or ancestry that is not widely known.

Examples

In ds96x17 "Wrongs Darker Than Death or Night" Kira found out that her mother, who she previously thought was a heroine, had quite willfully prostituted herself to the enemy and become a collaborator in order to protect Kira and her family.

7 total · 7 major

Story	Level	Motivation
ahh1x03	major	Jim and Linda went to extraordinary lengths to the keep secret from their sensitive adoptive daughter, Anne, and the community the dark truth about her biological parents.
ds96x17	major	Kira discovered that her father that kept secret that her mother served as a comfort woman to Dukat during Cardassian occupation
ds97x01	major	Joseph reveals to Benjamin the identity of his real mother
futurama7x10	major	The Professor's parents had kept secret from him that he had had a crazy older brother. But it turned out that The Professor was the crazy old brother.
movie: Dark Metropolis (2010)	major	Crecilius and his mother Hannalin were hiding the dark secret that Crecilius was a human being, and not a Ghen.
talesoftheunexpected6x04	major	We were led to believe that Paul was distraught to learn of his late father's dark secret passion for dirty books.
tftc1989e2x18	major	Unknown to Theodore, his new parents harbored a dark secret: they were vampires. However unknown to the Colberts, Theodore had a dark secret of his own: he was a werewolf.