The Season 6 of "Castle" opened with Beckett accepting Castle's marriage proposal. Immediately after accepting the proposal, Beckett moved to Washington D.C, putting their relationship in a long-distance mode. However, Beckett's upright decisions got her fired from the new job, and she moved back to New York. Castle and Beckett's relationship has seen no major stumbling blocks since then. The wedding date, however, has yet to be set or talked about. The episode 14 of "Castle" Season 6, "Dressed to Kill," is likely to include some wedding related discussions and planning. The highlight of the upcoming episode is Beckett trying out a wedding gown.

[Youtube/becklebee9nfsk3]

In "Dressed to Kill," Beckett will revisit her modelling days when an assistant of Matilda King, editor of Modern Fashion Magazine, is murdered. While investigating this murder, Beckett will find herself trying out a couture wedding gown. TV Guide reports that costume designer of "Castle," Luke Reichle, has designed this wedding gown.

The wedding gown has been made of "re-embroidered French silver bullion lace, with a skirt of silk taffeta and organza," according to TV Guide. In an interview with TV Guide, Stana Katic, who plays Beckett, had said "Beckett's past comes back and brings the dress to her."

It will be an emotional moment for Beckett, according to Andrew Marlowe, executive producer of "Castle." "This is something she would have been doing with her [deceased] mother."

The wedding, however, is unlikely to happen anytime soon.

TV Guide has also revealed that "Castle" fans will get to see Castle reading his new book, "Wild Storm." In the real world, this book is scheduled to be released in May.

[Youtube/becklebee9nfsk3]

Official Synopsis of "Castle" Season 6, Episode 14, "Dressed to Kill": When the assistant to Modern Fashion Magazine's dictatorial editor Matilda King (guest star Franes fisher) is found murdered, Castle and Beckett are thrust into the glitzy, ruthless world of high fashion in their search for the killer. Meanwhile Beckett's history in the modelling world gets her access to a very special wedding surprise."