Back in Australia, the other surfer is found dead in his apartment. Kayla Martin (Tiffani Thiessen) is a medical doctor with the Centers for Disease Control and Prevention (CDC) who has been assigned to the case. She and the local officials carry the body of the surfer out of the plane and start processing people to be put in quarantine until they can be evaluated for exposure.
In Australia, a second surfer meets a fatal end in his home. Kayla Martin, a doctor with the CDC, is tasked with examining the circumstances surrounding the death. She and local officials remove the body from the plane and begin testing people to determine if they've been exposed to something.