Breetai goes into the mysterious ship to see what happened to Khyron. On Earth Roy talks to Gretchen about Nadia and later Claudia talks with Roy about his investigation into the Knight of Knives. Later MBS airs a report on how the Knight of Knives may be an alien from the SDF-1 as Eugene Norris encountered one previously, but Roy and Claudia suspect Brent has ulterior motives. Later Dr. Lang is attacked by a knife-wielding figure and a fire is set in Building 23. Breetai encounters a stranger creature onboard the ship and slays it but finds himself trapped in some place.