T'Pol, Reed and Hoshi become stranded on a Klingon "shipwreck" sinking inside a gas giant. Archer tries to convince a captured Klingon to help before her crewmates and his crew get crushed in the intense pressure of the planet's atmosphere.

Michelle C. Bonilla (Bu'Kah)
Vaughn Armstrong (Klingon Captain)

• Vaughn Armstrong also plays recurring character Admiral Forrest.
  
• This episode mentions photon torpedoes, standard on the Klingon ships at this time.