- Beckett and Castle purchase a storage unit in hopes of clues to a murdered woman they found.
- Clues reveal that the victim’s twin brother was killed weeks before.
- The brother was involved in a robbery at a rich woman’s house, where he stole the butler’s spare eye. The DNA on the eye proved that the butler was responsible for the death of their parents years before in a car crash.
- The sister went to NY to find out the information, where she was killed by the butler as well.
- Alexis moves into her dorm room.
- Both Alexis and Martha know about Castle and Beckett’s relationship.