Mayko finds the missing link to the Sinatra syndrome; Owen tries to commit suicide.

The team traces the Sinatra virus to an organ donor in the Philippines; David blames himself for allowing Owen to try experimental gene therapy to cure his drug addiction.

Mayko tries to get rid of the pain she's feeling in her phantom limb; the team investigates the high level of mercury contamination found in Lake McGraw.

NorBac searches for the source of a resistant strain of c. difficile; despite his limited vision, Bob proves to be an asset to the team.

Several fires in British Columbia start. One of the action organizers calls NorBac in as several firefighters present strange symptoms. Craig, Rachel's son, come visit her mother at NorBac. Both Mayko and Carlos are attracted to him.

A weaponized biological agent was released during fires on the west coast, NorBac must find the creator of the agent. However, Rachel is more worried about her son who was attacked by a bear.

David discovers that NorBac has been tapped by Riddlemeyer. The team must find what caused the bear to attack Craig with no reason as a human being is presenting the same symptom. To save Bob's eyesight, David decide on a peculiar procedure.

Bob undergoes his eye surgery in the hope he won't go totally blind in the process. Carlos and David are called in in a port in Nova Scotia where a ship's crew is missing except the captain who doesn't remember the past two weeks.

Fears arise that Carlos may have been infected with Crimean Congo Hemorrhagic Fever; after experimental surgery that improves his vision, Bob becomes hypersensitive to the emotions of others; Carlton comes under scrutiny when a magnetobacteria threatens the country's electronic infrastructure.

NorBAC discovers a link between the tantalum contamination and the recent smallpox scam; a viral activation of dormant genes evolves Bob into a higher consciousness.