Gus is surprised when a woman named Mira contacts him—a woman whom he drunkenly married a decade ago. Upon meeting her, he and Shawn discover that Mira is getting married to the man she loves. She invites them to the wedding, but the groom never shows. In fact, he has been missing for the past few days. Shawn and Gus decide to take the case and find Mira's missing man. The deeper they dig, the stranger things get.

At the SBPD, Lassiter is shocked to find that Juliet scored higher than him on the detective exam. This generates a competitive spirit between the two.