The crew of the Enterprise encounters Skalaar, a Tellarite who offers to give them a tour of a nearby planet. As it turns out, Skalaar is actually a bounty hunter who kidnaps Archer, planning to turn him over to the Klingons for a reward. Meanwhile, a microbe triggers T'Pol's Vulcan mating drive.

Jordan Lund (Skalaar)
Robert O'Reilly (Kago-Darr)
Ed O'Ross (Gaavrin)

Michael Garvey (Captain Goroth)
Louis Ortiz (Klingon Warrior)

• The Klingons have apparently placed a substantial price on Archer's head since his escape from Rura Penthe in the episode "Judgment".
  
• Robert O'Reilly (Kago-Darr) is known for playing the Klingon Gowron on TNG and DS9.