Kate Cobb

A mild-mannered safety inspector for the city miraculously survives a poisoning by sheer luck; but when he survives another, it's a mystery for Castle and Beckett to solve.

Torres must rely on old case notes and contacts after a Marine's murder is linked to a former dirt bike gang he joined for a year-long undercover operation.

Willis and Rox arrive to the scene of a wildfire in the mountains of Los Angeles to tend to injured firefighters, and they volunteer to stay to look for a missing young boy who was separated from his father in the chaos. Also, Campbell confides in Angus about the difficulty with his job when his daughter becomes ill.