The team must find a way to stop Ruby before the prophesied chain reaction that can destroy the Earth is put into motion.

While an agent’s life hangs in the balance, Fitz, Simmons and Yo-Yo attempt to neutralize a weapon that could play a role in Earth’s destruction.

Coulson is forced to team up with surprising allies to save the world, while the S.H.I.E.L.D. team attempts to track down and rescue him.

Coulson uncovers General Hale’s true agenda; it could be the end of the world if S.H.I.E.L.D. doesn’t help her.

The team goes in search of Gravitonium in order to save the world.

Coulson and the team set out to rewrite the course of humanity’s fate; they’re unaware that their efforts will dramatically change one S.H.I.E.L.D. agent’s life.

Frank tries to claim Eddie’s insurance benefits and pension, despite being a prime suspect in his death; Fiona attends a ritzy wedding with Richard and lies about her background; Lip…