When a crew member is murdered, Tuvok's investigation leads to another crewman, Ensign Suder, who finally admits he is the perpetrator. Vulcan instincts prohibit Tuvok from determining a logical motive for committing such a crime, so he attempts to understand the violent impulses of a criminal by performing a mind-meld on Suder.

When Tuvok removes himself from duty, the Doctor initiates treatment which removes Tuvok's emotional suppression abilities. Meanwhile, Chakotay puts Paris on report for running an illegal gambling operation.

Cast:

Kate Mulgrew as Captain Kathryn Janeway
Robert Beltran as Chakotay
Roxann Dawson as B'Elanna Torres
Jennifer Lien as Kes
Robert Duncan McNeill as Tom Paris
Ethan Phillips as Neelix
Robert Picardo as The Doctor
Tim Russ as Tuvok
Garrett Wang as Harry Kim

Guest Cast:

Brad Dourif as Lon Suder
Raphael Sbarge as Michael Jonas
Angela Dohrman as Ricky
Simon Billig as Lt. Suder

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