This is particularly true as activity in the nebula suddenly increases, threatening the ship. Captain Janeway is alerted to the matter with Marayna and she and Tuvok begin scanning Voyager's immediate vicinity for hidden vessels and eventually find a spot from where the real Marayna character originates.
The increased activity within the nebula poses a significant danger to the ship, prompting Captain Janeway to be alerted by Marayna.  She and Tuvok then embark on a search for hidden vessels in Voyager's vicinity, eventually locating the source of the true Marayna character.