Revulsion

Plot:

Voyager receives a distress call from a lone survivor on a damaged ship. When learning the survivor is a hologram, The Doctor insists on joining B'Elanna Torres who lends aid in fixing the ship. Once on the ship, Dejaren (guest star Leland Orser) expresses his hatred of "organics," and Torres discovers that the crew were not killed by a virus but instead brutally murdered, Dejaren turns on her and nearly kills her too.