Ready to play the feud, Castle Fanatics?
On Castle Season 6 Episode 19, Castle and Beckett will come across a Wall Street trader who appears to have been wearing a wire prior to being killed.
This leads them to Captain Gates' office, where the duo tells their boss that the victim was an informant for the U.S. Attorney’s office... which leads to the arrival of Elizabeth Weston.
And who is Elizabeth Weston? Watch this clip for the answer:
Watch Castle online if you need a refresher prior to Monday night and get an early look at what's on tap via these episodic images: