Veronica helps animal researchers track down their missing monkey by going undercover. Meanwhile, Mindy O'Dell asks Keith to investigate her husband's death.
Piz escorts a singer performing at a benefit concert, but when his property goes missing, Veronica helps. Meanwhile, an unlikely candidate challenges Keith's sheriff run.
At the ranger station, Russell discovers a barely alive Air Force officer named Paxton (Nick Cokas) -- who's wearing a wet suit.
Underlay might get the quarantine he has requested when Russell discovers that escaped laboratory animals may be responsible for a deadly flu virus that has spread throughout Homestead.
One of Russell's fellow workers has been shot and killed by Underlay, and Russell questions the mysterious circumstances surrounding the shooting death.
