When floating bodies turn up, Coulson and the Agents of S.H.I.E.L.D must hunt down an elusive killer. No one is safe -- not even the team.
Team Scorpion goes to Chernobyl to repair the decaying nuclear reactor before a catastrophic meltdown, but must also save Sylvester and Paige when they become trapped inside.
In 1978, fire destroyed a disco, and 22 people died. The partial remains of a body were recently found six feet underneath the building site--in the former VIP room. The victim died of a gunshot wound to the head. Rush and Valens realize the blaze didn't kill the victim and believe that the fire was probably set in order to conceal this murder.
Nora and Sarah use Evan's birthday as an excuse to fly out East and find out what is going on with Kitty; Olivia seems nervous about her new life with Kevin and Scotty.
When Jack Bauer is realigned with the President's plan to track the looming terror threat, he navigates CTU to a new lead. While this lead is pursued, the threat intensifies and the stakes rise.