Stardate: 50912.4 Out of nowhere, a strange frightened individual appears on Voyager and begins asking why he has been abducted. As Voyager was not responsible for the stranger's presence onboard the ship, they start investigating what is going on. They find that one member of the crew, Kes, has mysteriously disappeared about the time Dammar, as the stranger is called, appeared.

Worse, more strangers from Dammar's planet Nyrian start appearing on the ship. This matched by an equal number of Voyager's crew begins to disappear from the ship. Soon, half of Voyager's crew is gone.

As Janeway and Chakotay discern what is really happening, it is too late, as they too disappear.

Kelly learns that she is pregnant, and has difficulty breaking the news to her mother. Brandon is thrilled, but Kelly isn't sure that she wants the baby. Driscoll suggests that Valerie sell her shares in the club so that she has more money available for investment. Val makes a pass at David, prompting Donna to order him to end their working relationship. Valerie eagerly accepts David's buy-out offer. Clare is saddened by Mother's Day, so Steve tries to take her mind off things by going for a drive. Clare believes that her father cannot handle discussion of her mother, but Steve discovers that he was trying to spare Clare's feelings. He brings them together to reminisce.

Briscoe and Curtis investigate the death of a pretty young book editor who was reputedly having an affair with one of her authors, and find themselves focusing on the author's long time companion, who steadfastly denies there was anything wrong with their relationship.

Garibaldi gets his first assignment from his new employer - helping someone getting on and off the station without having to pass through customs. He is quite surprised at who this person is. Meanwhile Ivanova makes preparations for the first broadcast of ''The Voice of the Resistance''.