“Sucker Punch”
Castle and Beckett investigate the death of an Irish mobster, but while on the case they uncover what may be an international drug smuggling operation, as well as the killer may be involved in the murder of Beckett’s mother.

“A Rose for Everafter”
Castle and Beckett are called to a wedding to investigate the murder of a bridesmaid. Castle realizes that the wedding is from a former girlfriend Kyra. Everyone’s feelings are compromised, since Kyra has doubts about who she is marrying, Castle’s feelings may not be as objective in the case and Beckett picks [...]

“The Fifth Bullet”
Castle and Beckett investigate an art dealer that is shot in his gallery, but the bullet is inexplicably missing from the crime scene. To add to that, the only witness suffers from amnesia.

“One Man’s Treasure”
A man’s body is discovered in an apartment building’s garbage chute, and two women surface to identify the deceased—his wife and his fiancée. Castle and Beckett’s investigation uncovers the man’s complex double life. DB Woodside guest stars

“Love Me Dead”
The murder of an Assistant District Attorney thrusts Castle and Beckett into the world of ex-cons and escorts. But when Castle’s desire to help a vulnerable call girl endangers the case, Beckett is forced to decide between honoring promises and putting a killer behind bars. Matters are complicated even further when Castle’s daughter [...]