Now that Audrey has somehow been separated from Mara, Duke and Nathan decide to keep Mara on Duke's ship for safe keeping until Dwight gets back in town. They really want to turn Mara over to The Guard but without knowing if Mara and Audrey are physically connected, it's too risky.

Since Dr. Charlotte Cross, from the CDC (Centers for Disease Control), just showed up in town looking for him, Dave decides to get in front of the problem by enlisting the aid of Chris Brody, a local marine biologist who has a "charm" Trouble.