Star Trek: Enterprise: Season 4, Episode 14

4 - 14: The Aenar (3)

Archer and the crew try to prevent the Romulans from starting an intergalactic war. He visits Shran's icy homeworld to find an Andorian subspecies called the Aenar to determine their connection to the marauder destroying ships in the region. The Aenar are telepaths who could gain control of the Romulan drone vessels.