A team from the Enterprise -- Riker, La Forge, and Daniels -- is sent to deal with the latest threat from the Maquis. For La Forge and Daniels, it's just another mission, but Riker must face the specter of his transporter twin, Tom Riker, who left Starfleet to join the Maquis.

When the Enterprise team is caught between the Maquis and the Cardassians, Riker finds himself with an important decision to make -- one that may affect his future inStarfleet....