Geils goes undercover as a lifeguard after a string of suspicious drownings, but Tribeca is worried that he’s getting in too deep.

After discovering Alvarez has been transferred, Bosch enlists Chief Irving’s help. Pierce and Vega get a lead on the hitman. Billets reaches out to a former Hollywood cop for intel…

After Maddie’s involvement with the Franzen case leaves her exposed, she must testify before a grand jury to stay safe. Irving asks FBI SAC Brenner for help with Alvarez, learning…

A last-minute Christmas shopping trip lands Jake, Gina and Charles in the middle of a “Die Hard”-like hostage crisis.

A mysterious recurring dream drives Castle and Beckett to seek answers about the two-month period when he went missing. But their search for the truth has deadly consequences.