Kyle Erby

The BAU is stumped to find the common denominator among male victims in Montana, making it difficult to profile the UnSub. Also, JJ must confront her feelings about her sister's tragic death. Candy Clark guest stars.

Tyler and Tim realize they are in over their heads when Heather tasks them with buying a bra for Samantha. Also, Joan asks Jen to submit a recipe for the family cookbook, prompting Jen to steal one from her favorite restaurant; John gets Samantha and Sophia hooked on gambling while babysitting for them; and Colleen and Matt obsess about their surrogate’s unhealthy lifestyle.

To take her mind off their breakup, Kat attends a cat show with Sheila and Randi; Kat's competitive side is brought to life, when local cat lover Val thinks Kat and her rescue cat have no chance of bringing home a trophy.

Kat and Max have some news to share but attempt to keep it a secret until after Sheila’s big birthday bash. Meanwhile, Carter breaks a pre-wedding superstition and thinks he is cursed.

Max hosts singer Zoey Monroe (guest star Margie Mays) in hopes of advancing his career as a songwriter and although jealous at first, Kat develops a liking to her. Meanwhile, Carter punctures a pipe inside a kitchen cabinet causing a flood in the condo. Randi and Carter find themselves staying at Sheila's for the time being. Margie Mays guest stars.