When a wife kidnaps a woman whom she suspects is having an affair with her husband, the SRU is called to the scene. When things quickly escalate, several team members question how the situation was handled.
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.
A past mission comes back to haunt Ed when he discovers a sniper at City Hall is in fact the son of a man Ed killed in a previous mission. Meanwhile, one of the SRU's own struggles to stay alive after being caught in the sniper's fire.
When three men take the CEO of a mortgage company hostage, the SRU team is called to the scene to diffuse the situation. Meanwhile, Jules recovers from being shot, and the team reluctantly looks at recruits to fill her spot.