Herrmann investigates the rise in missing fire hydrants and teams up with Kylie to track them down. Kidd's cousin comes to town, revealing surprising family history. Violet and Novak treat the victim of a birthday cake smash gone awry.

Cast: Taylor Kinney, David Eigenberg, Joe Miñoso, Christian Stolte, Miranda Rae Mayo, Daniel Kyri, Hanako Greensmith, Jocelyn Hudon, Jake Lockett, Dermot Mulroney