Michael Canavan

The BAU team investigates the mass murder of college students, similar to wartime methods used by a Native American tribe long ago.

Frasier and Niles desperately search for a wealthy patron to lend financial support for their failing former prep school. Their best hope appears to be an affluent matron - especially since Martin is involved with her.

With Derek away, Meredith spends time with Amelia and finds out her true feelings about her time in Seattle. Bailey deals with the ramifications of her actions and Callie receives devastating news. Meanwhile, the residents panic after hearing that one of them will be fired.

A female alien (guest star Virginia Madsen) fleeing her home planet seeks asylum and claims to have ties to Chakotay (Robert Beltran), but he has no memory of her.

Commander Riker's duplicate steals the Defiant and prepares to lead the Maquis rebels on an attack against a secret Cardassian base.

Ari must negotiate a deal between Amanda and the studio; Eric suspects that Vince and Amanda's relationship is sabotaging the deal; Drama saves a slow horse.