A MURDERED WOMAN FOUND DROWNED IN A TUB OF MOTOR OIL LEADS TO A MAZE OF LIES AND REVENGE FOR A HORRENDOUS CRIME COMMITTED YEARS EARLIER, ON ABC'S "CASTLE"

"Ghosts" � Castle and Beckett investigate the murder of a woman found drowned in a bathtub of motor oil at a transient hotel. But when they uncover a dark secret about the woman's past, they must unravel a 20-year-old mystery with the help of a true crime journalist who may have been stalking the victim. Meanwhile, Beckett puts her poker face to the test as she squares off against Castle, with her money and pride at stake, on "Castle," MONDAY, APRIL 27 (10:02-11:00 p.m. ET) on the ABC Television Network.

"Castle" stars Nathan Fillion as Richard Castle, Stana Katic as NYPD Detective Kate Beckett, Susan Sullivan as Martha Rodgers, Molly Quinn as Alexis Castle, Ruben Santiago-Hudson as NYPD Captain Roy Montgomery, Tamala Jones as Medical Examiner Lanie Parish, Jon Huertas as NYPD Detective Javier Esposito and Seamus Dever as NYPD Detective Kevin Ryan.

Guest Cast: Joanne Kelly as Lee Wax, Alex Carter as Michael Goldman, Jillian Armenante as Susan Mailer, Dan Castellaneta as Judge Markway and Joseph C. Phillips as Mayor.

"Ghosts" was written by Moira Kirkland and directed by Bryan Spicer.

"Castle" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1 channel surround sound and Spanish subtitles via secondary closed captioning. This program carries a TV-PG,D,L,V parental guideline.

This episode of "Castle" will be available on ABC.com the day after airing on the network for users to watch online.