chunk: Meanwhile, the crew of the USS Enterprise-E prepares to bid farewell to first officer Commander William Riker and Counselor Deanna Troi, who are being married on Betazed. En route, they discover a positronic energy reading on a planet in the Kolaran system near the Romulan Neutral Zone. Captain Jean-Luc Picard, Lieutenant Commander Worf, and Lieutenant Commander Data land on Kolarus III and discover the remnants of an android resembling Data. When the android is reassembled it introduces itself as B-4. The crew deduce it to be a less-advanced, earlier version of Data.