James Noah

One by one, the crew of Voyager go missing and are replaced by strangers who claim they have no idea how they arrived. Soon, nearly the whole crew is gone, and there is no way of stopping the strangers from appearing and overrunning the ship.

A Trill scientist (Susanna Thompson), whose host once was married to Dax's previous host, arrives on Deep Space Nine; the former lovers must decide if they want to resume their relationship and defy the laws of Trill society.