Saunders' daughter has been identified. Tony wants to bring her in, but Jack has another, far riskier, plan. Bill Cole is at large... and he's infectious.
Kate finds herself on the run; Jack must do something that may endanger a friend's life.
Raylan tries to make up for the problems he has caused. He leaves his assignment as a reluctant judge's bodyguard in order to track down an old lead.
Oz delivers a relic to Angel that will render him invincible, but Spike is determined to fight Angel to the death for the otherworldly artefact.
President David Palmer tells Jack that a top CTU agent is to be killed; at the hotel, Michelle offers a peaceful ending to those infected with the virus.