The team recovers while quarantined in the hospital, and someone shoots Danny. An explosive placed on the the door traps the team in the room, while Danny dreams of the future.
McGarrett and Danny get Tani Rey to join the task force when a hacker manages to let out a dangerous arsonist from prison.
Grover's parents and brother arrive in Oahu to spend Thanksgiving together; a thief is accidentally crushed to death by an empty safe.