Second officer's log, stardate 48113.5. We are currently stranded in the Delta quadrant, 70,000 light-years from home and next to an extremely large array.
Data ended his log entry as the door chirped. "Come in."
The duplicate EMH, henceforth to be called the ETH for Emergency Tactical Hologram, walked in with a mobile emitter on his arm.
"You know, Moriarty would really like one of those."
"Who?"
"Back on the Enterprise, there was a Sherlock Holmes program. This program could create a Sherlock Holmes story, given certain parameters. Geordi told it to generate a Sherlock Holmes story, 'with a villain capable of defeating Data.' And as such was created Moriarty. He was able to access the arch, and turned off safety protocols. He agreed to be deactivated, and reactivated when they had found a way to get him off the holodeck. Some time later, Barclay discovered the program, and reactivated it."
"Barclay... was one of my developers."
"Intriguing."
On the Enterprise, Seska was attempting to get used to her new post as second officer. Various lights were blinking that would have meant a warp core breach on the Magrathea, and she had the bridge.
"Sir, the Amargosa star is collapsing."
"Set in a course, warp 9.5. I want full sensor scans and a full database download from the observatory. And I want information about the path of the energy ribbon called the Nexus."