A COLD CASE HEATS UP WHEN CASTLE AND BECKETT FIND THE FROZEN BODY OF A MISSING WOMAN AT A CONSTRUCTION SITE, ON ABC's "CASTLE"

"A Chill Goes Through Her Veins" � A frozen woman found tangled in steel bars at a construction site leads Castle and Beckett to a years-old mystery and a long abandoned case. As the two uncover startling revelations about the victim's past, the investigation forces Beckett to face some difficult memories of her own, which provides Castle insight into his muse and additional material for his novel, on "Castle," MONDAY, APRIL 6 (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: Charles Malik Whitfield as Charles Wyler, Bill Smitrovich as Ben Davidson, Peter Jason as Sheriff Sloan and Channon Roe as Kevin Henson.

"A Chill Goes Through Her Veins" was written by Charles Murray 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. A TV parental guideline will be assigned closer to airdate.

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