A rescue mission leads the crew to the home planet of their late comrade, Tasha Yar, where they encounter her mysterious sister.
Lilith goes over the edge when her favorite lab rat dies.
Londo becomes more indebted to the sinister Morden. Dr. Franklin uses an experimental procedure to bring Garibaldi out of his coma. Sheridan's younger sister forces him to confront his sadness and guilt over his deceased wife. Delenn emerges from her cocoon.
A legal secretary (Shirley Knight) is accused of murdering her boss, who was having an affair with her daughter.
Ben ponders a 40-year-old link between his own father and a playwright's murder.
