Star Trek: The Next Generation #65: The Truth Elusive

Part 3 of 3. Held at phaserpoint by his counterpart from a parallel universe, Geordi La Forge must find out which of them is in the wrong reality before irreparable damage is done to the timestream. Meanwhile, on the Enterprise, Picard discovers how to tell if his Romulan 'guest' is telling the truth. Awaiting the outcome are the Romulans, the Cardassians and the Ferengi.