The initial investigation into the death of a research scientist leads to an animal-rights group until evidence surfaces that her husband's affair with a coworker may point to a possible motive for the murder.
Quest roles:
Jerry Orbach(Lennie Briscoe), Charles Brown(Stephen Morehouse), John Cunningham(Daniel Metzler), Carolyn McCormick(Elizabeth Olivet), Lawrence Pressman(Dr. Alan Colter), John Fiore(Tony Profaci), George Murdock(Judge Eric Bertram), Allan Arbus(Dominick Keith), Frances Fisher(Susan Boyd), Peter Maloney(Father Paul), Frank Biancamano(Jimmy), Anthony DeRiso(Peters), Mary Joy(Linda Briskin), David Schechter(Dirk Chesney), Martina Deignan(Sonja Hughes), Robert Trumbull(Bennett Cole), Peter Birkenhead(Pelkie), William Andrews(Franke MacCrae), Edmund Genest(Warren Stevenson), Carol Vernon(Jury Forewoman), Nick Smith(Ferguson)