Star Trek: Picard - 16 Huge Details Everyone Missed In The Trailer

8. Dahj Is One Of The Prisoners

Little is known of Dahj, but it's strongly implied in the trailer that she's going to be the key to the entire story. She seeks out Picard on earth, who then tells Starfleet that "if she is who I think she is... she is in serious danger". We're then told that she "has no idea what she truly is" and, finally, that "she's the end of all... she's the destroyer".

Whatever the story is there, we know that she spends part of her time as a prisoner (or test subject, resident, guest, whatever you like) of the Romulan/Borg facility. But she's not the only one...