What Bo uncovers while investigating the mysterious disappearance of human backpackers threatens her own fine physique. Meanwhile, the new man in Bo’s life sets events in motion that force Kenzi…

Audrey’s surprise birthday party at a local hotel goes awry when a shapeshifter stalks the partygoers, and nobody knows who can be trusted.

With the X-Files closed, Scully has been assigned as an instructor at the FBI Academy while Mulder is doing menial surveillance work. After meeting with Senator Matheson, one of his…