Castle - Season 1 Episode 5 -

: Nathan Fillion (Richard Castle), Stana Katic (Kate Beckett), Susan Sullivan (Martha Rodgers), Jon Huertas (Javier Esposito), Seamus Dever (Kevin Ryan), and Tamala Jones (Lanie Parish).

of the surrounding episodes (Episode 4 or 6). Castle - Season 1 Episode 5

: The case strikes a chord with Beckett, as it mirrors the unsolved nature of her own mother's murder. This episode marks a pivotal moment where Castle learns the truth about Beckett's past and why she became a cop. The Investigation & Key Revelations : Nathan Fillion (Richard Castle), Stana Katic (Kate

In , titled "A Chill Goes Through Her Veins," the discovery of a frozen woman at a construction site pulls Castle and Beckett into a five-year-old cold case. Episode Overview Original Air Date : April 6, 2009. This episode marks a pivotal moment where Castle

: During the current investigation, the team finds that Sam Cavanaugh was himself murdered a year prior. The killer was Ben Davidson (Melanie’s father), who eventually realized what Sam had done and took revenge. Cast & Crew

: Workers find the frozen corpse of Melanie Cavanaugh tangled in steel bars at a construction site. While initially appearing to be a fresh murder, the team discovers she had been missing for five years and was likely kept in a industrial freezer the entire time.