Cuffed

Cuffed is the tenth episode of Castle season 4 that airdate on January 14, 2012, was written by Andrew W. Marlowe and Terri Edda Miller and directed by John Terlesky.

Esposito & Lanie - Facts and Trivia

 * Lanie and Esposito were arguing at the crime scene because they can't figure out how to be with each other, but they both don't want to admit it. Which is kinda like Castle and Beckett, except the arguing.