VERONICA FACES ONE SURPRISE AFTER ANOTHER WHILE WORKING TO FIND A LOGAN'S MISSING MOTHER, A WOMAN'S LONG-LOST LOVE, AND A FRIEND'S SECRET ADMIRER, ON "VERONICA MARS," TUESDAY, FEB. 22 ON UPN

Alyson Hannigan (UPN's "Buffy The Vampire Slayer") Guest Stars as Logan's Half-Sister Trina Echolls

"Ruskie Business" -- Veronica surprisingly finds herself working as a "love detective" when she's asked to track down her friend Meg's secret admirer and a Russian bride's estranged fianc�, on VERONICA MARS, Tuesday, Feb. 22 (9:00-10:00 PM, ET/PT) on UPN. Guy Bee directed the episode from a script by John Enbom and Phil Klemmer. Alyson Hannigan (UPN's "Buffy The Vampire Slayer") guest stars as Logan's half-sister Trina Echolls.

Meanwhile, after discovering that one of Lynn Echolls' credit cards is in use, Veronica and Logan go to a Los Angeles hotel in hopes of finding her or a clue.

Veronica Mars: Kristen Bell
Keith Mars: Enrico Colantoni
Wallace Fennel: Percy Daggs III
Duncan Kane: Teddy Dunn
Logan Echolls: Jason Dohring
Eli "Weevil" Navarro: Francis Capra
Trina Echolls: Alyson Hannigan
Meg: Alona Tal
Deputy Leo: Max Greenfield
Catherine: Cynthia LaMontagne
Caz: Zachery Bryan
Martin: William Regan
Manny: Charley Rossman
Karl: Scott Michael Morgan
Desk Manager: Paul D. Roberts
Eugene Sukarenko: Marat

RATING: To Be Announced