Zack is the new substitute teacher at Bayside. DeVante meets Nadia’s parents.

The Huangs travel to Taiwan to set things right with Gene.

A female art thief makes Neal an offer in exchange for important information.

When a recruit officer at the NYPD Academy is killed, Beckett and the team go back to their old training ground to investigate. Meanwhile, Castle must reckon with a decision…

When a petty officer is found murdered, Gibbs learns about the mysterious connection between the disbanding of his team and the case.