Dr. Alan Farragut and his team work to treat the outbreak patients and contain the virus, while at the same time a rebellion erupts at the Arctic Biosystems base.

The team have every hope that the virus is contained, but unfortunately it continues to spread at an alarming rate; at the same time, some of the secrets the docs are keeping prove to be deadly.

Alan and the team deal with secrets and suspicion as the crisis heightens and deadly consequences follow. Meanwhile, Walker tries to survive on Level R.