Martina Groesbeck is a woman living in Vault 21 on the New Vegas Strip in 2281.
She is a "spy" for the NCR, but unbeknownst to her, her contact is actually a Legion Frumentarius, Captain Curtis at Camp McCarran. When the courier finds her for the first time she is being held hostage by three Omerta thugs in the basement of Vault 21.
 Interactions with the player character
 Interactions overview
Martina Groesbeck only appears in Fallout: New Vegas.