A sorority pledging ceremony is disrupted by a troubled spirit, and Sam begins to doubt his relationship with Melinda.
Hank and Boris meet a potential trial patient in Argentina; Divya meets Sashi's grandmother; Russel tries to make amends with Paige; Evan strives to expose Oz.
Miley's prince charming skips out on their double date and sends her a replacement. Meanwhile, Rico tries to be extra nice to Jackson after an injury.