Cameron Deane Stewart

When a ballet dancer is mysteriously murdered, Castle and Beckett uncover evidence that she was killed by a ninja, who is now after them.

The squad works overtime hunting down a serial killer sniper. Maura befriends a man who is a witness to the crime, who happens to suffer from a mental condition that has him believing he is a wolf.

The team investigate a road accident that killed a Petty Officer while Gibbs tries to clear a Navy Hospital Corpsman accused of illegally providing medical aid to the victims of the crash.

When the CSIs find a body near a forest reserve, they discover what might be a serial killer and his bizarre lair.

The group faces obstacles.