Epidemic

Following a successful first contact with the peaceful Talu, the crew of the Starship Enterprise are horrified to receive a distress call from their newfound friends. Shortly after the Enterprise departed from their world many people started to fall ill with mysterious and unexplained symptoms and many blame the Federation with the growing epidemic. Now the Enterprise must return to a newly hostile world to uncover the cause of the illness and stop the spread before it causes an interstellar incident.