Castle made Beckett happy with breakfast and coffee while the team went back to the NYPD to check an incident involving a recruit who has been killed in "Castle" season 8 episode 15.

"Castle" season 8 episode 15 is entitled "Fidelis Ad Mortem." According to Celeb Dirty Laundry, Castle surprised Beckett with breakfast and coffee in the episode. As per the publication, he also told the latter that after work, they had to catch up so he could let her know what he had learned in Los Angeles.

Episode 15 also saw Castle and Beckett trying to pretend that they were no longer together, with the former's mother Martha entering the scene and the latter sneaking out the back. Martha wanted to show her son a book she authored, which is entitled "Unsolicited Advice."

In other news, Beckett and the team returned to the NYPD academy to scrutinize a murdered recruit. According to Spoilers Guide, a recruit officer was killed at the academy and this prompted Beckett and the team to go back to their old training ground to check what had happened. The publication added that Castle must think about a decision that had a deep impact to his dynamics with Beckett.

Meanwhile, Castle and Beckett are set to investigate another murder case in "Castle" season 8 episode 16. Entitled "Heartbreaker," the episode is set to see the duo scrutinize an old case involves the death of an armored-car driver, which was handled by Esposito. They are alarmed when they discover that the latter did not disclose everything he knows about the case.

"Castle" season 8 episode 15, "Fidelis Ad Mortem," aired on Mar. 21 while episode 16, "Heartbreaker," is set to air on Apr. 4.