Ep 9. Kill Shot

In the ninth episode of the fourth season of Castle, titled "Kill Shot," the team faces a new challenge when a sniper starts terrorizing the city. The episode begins with a young woman, Elise, preparing for a cross-country race when she is suddenly shot in the chest. Castle and Beckett are called to the scene and quickly realize that the shooter was an expert marksman who had been lying in wait for his victim.

The team begins to investigate and soon discovers that the shooter has struck before, targeting multiple victims across the city. They also learn that the sniper is skilled enough to evade police detection and may have connections within the military.

As they dig deeper, Castle and Beckett start to uncover a trail of clues that lead them to a potential suspect - a former marine who was discharged after exhibiting signs of PTSD. While the team searches for more evidence, Castle tries to offer support to Elise, who is in critical condition in the hospital.

As they close in on the sniper, tensions rise and the team must act quickly to prevent any more casualties. Castle and Beckett work together to track down the shooter, but their investigation leads to a shocking revelation that changes everything they thought they knew about the case.

"Kill Shot" is a tense and gripping episode that showcases the skills and dedication of the Castle team. With high stakes and intense action, this episode is sure to keep viewers on the edge of their seats as they follow the trail of the deadly sniper.