Castle does his best to avoid Mickey’s questions as to where Beckett and Leo are hiding, but the mob enforcer is pretty good at reading bluffs. A thug breaks into the cellar. Amazingly, Leo takes him out with ease. Beckett realizes this guy isn’t a witness. Leo is the killer! He’s been running a ruse to get Mickey Dolan to come to him so he could assassinate him for the O’Reilly crime family. His plan seems to be working. Leo has his hostage call Dolan, who hands the phone over to Castle. Beckett says how nice it would be to take their parents out to something all four of them would enjoy, like a baseball game, if they survive the night.

A meeting is set up under a borough bridge. Beckett is horrified when Leo opens fire on Dolan’s car. She rushes over to look for Castle, but he’s not inside. No one is. Castle knew something was up when Beckett implied that his mother would enjoy baseball. He convinces Mickey to spare Leo’s life because that’s what his old priest friend would want him to do. As for Castle and Beckett, they are shocked to see their parents are getting along swimmingly back at the precinct. Guess people from different worlds really do have a shot at making things stick.