Complete story — includes the ending
An NYPD academy recruit is shot and killed with a gun belonging to a fellow recruit. Beckett puts the remaining members through mock training drills, including interrogations, to try and ferret out the killer. Espo and Ryan also learn of a steroid ring at the academy. Meanwhile, Castle tells Beckett of what he learned in L.A.: that he knew about LokSat a year ago and he had his memories erased to protect her. Beckett and Castle decide to hunt LokSat together and resume their romantic relationship.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Castle season 8. HTML formatting and reference markers removed. · Content license