Bill MacDonald

When a disturbed man takes a woman hostage outside an office building, the SRU is quick to respond to save the innocent hostage and bystanders caught in the crossfire.

A past mission comes back to haunt Ed when he discovers that a sniper who has taken over City Hall is the son of a man that he killed on a previous mission, and one of the SRU's own struggles to stay alive after being caught in the sniper's fire.

When a former SRU veteran shows up at headquarters and locks himself in a safe room with the intent to commit suicide, Ed is called to the scene and attempts to talk his former teacher out of ending his life.

When the SRU is called to the scene of an upper class household where four hostages are being held, they discover that the hostage taker is actually the boyfriend of the family's nanny.

The SRU team must dismantle bombs set throughout the city by an eco-terrorist group, and a member of the team sacrifices his own life to save the lives of many others.