Mia is preparing to go to high school up north with her best friend, Campbell Vincent, when two unexpected illnesses descend upon Mia's family. Decisions need to be made quickly. Meanwhile, Mark Vincent finds himself dragged into a case that isn't a homicide, but where a killing has taken place. He needs to find the source of a drug problem in the city. A twisted web of people and events keeps leading him in different directions. Michael is coming out of his trauma and is operating in the OR once again as his best friend, Sam Choudhry, sinks deeper into depression. What threads will hold these people together, who care about each other so much?