11. The Fifth Bullet

When an art dealer is gunned down in his gallery, Castle & Beckett discover that a bullet is inexplicably missing from the crime scene. The mystery is deepened by an amnesiac who witnessed the crime but can't remember what he saw or even who he is.

Plot summary and ending

Spoilers ahead. Coverage follows the scope labeled below.

Complete story — includes the ending

A twist arises in the case of an art dealer found shot to death in his gallery when a man with amnesia arrives at the station carrying a book with a bullet lodged in it that was fired from the same gun as was used in the murder. To solve the crime, Castle and Beckett have to jog his memory and unravel a possible connection to a high-level Arabian diplomat.

Sources and content license

Source and revision history · Adapted from Wikipedia contributors, Castle season 2. HTML formatting and reference markers removed. · Content license