When an ice cream vender is shot, evidence leads Beckett and Castle to believe that an unknown second-grader may have vital information about the case. Castle goes undercover at an elementary school to try and identify the second-grader but nothing g... (more)oes as planned.

Aleksandra Kaniak, Bess Rous, Cliff Marc Simon, David Barrera, Elya Baskin, Juan Gabriel Pareja, Kai Scott, Kyla-Drew, Laura Kai Chen, Michael Hyatt, Quinn Friedman, Rachel Eggleston, Suzanne Sena