[s4e8] Heartbreak Hotel ★

: Sam's ex-wife eventually confesses to the murder. She had been forced at gunpoint to sign over a co-owned building to Sam and used the theft as cover to kill him. Subplots :

Castle's home address is listed as in casino records, a reference to Green Lantern co-creator John Broome (Fillion has voiced Hal Jordan in animated films). [S4E8] Heartbreak Hotel

: Back in New York, Alexis throws a party at the loft that spirals out of control while her father is away. Trivia & Fun Facts : Sam's ex-wife eventually confesses to the murder

: About seven minutes into the episode, Ryan is seen checking his watch twice in identical motions due to a editing cut. : Back in New York, Alexis throws a

: Richard Castle (Nathan Fillion) famously appears in an Elvis impersonator costume, complete with an elaborate hairstyle. Easter Eggs :

: Directed by Kate Woods and written by Christine Boylan. Key Plot Points

: The victim, Sam Siegel (a nod to real-life mobster "Bugsy" Siegel), was being blackmailed after $10 million was stolen from his casino.