: It is revealed that Melanie's husband, Sam Cavanaugh , killed her and stored her body in a freezer to maintain the facade that she had simply left him and their daughters.
If you'd like to explore this season further, I can provide: Castle - Season 1 Episode 5
: Melanie Cavanaugh had a history of running away, which led police to initially overlook her disappearance. : It is revealed that Melanie's husband, Sam
: 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). : Bill Smitrovich as Ben Davidson and Charles
: Bill Smitrovich as Ben Davidson and Charles Malik Whitfield as Charles Wyler. Director : Bryan Spicer. Writers : Charles Murray and Leslie Valdes. Reception
: 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.