Coulson and the agents travel to the past and get stuck in 1931 New York City.
As the identity of one of the team members is revealed, the team must do whatever it takes to protect him.
Enoch suddenly finds himself in 1931; meanwhile, the team is in a different era.
As Coulson goes through the S.H.I.E.L.D. history books, he realizes the significance of the date of July 22, 1955.
Agents of S.H.I.E.L.D. decide to undertake a new mission to defy the plans of Chronicom.
After the team is exposed, they resolve to find a solution for saving Mack's parents.
Mack is back to his childhood home to deal with the death of his parents.
The time engine malfunctions, so the team asks for Yo-Yo's help.
As the situation becomes extremely dangerous, Daisy and Coulson have to face their past to rescue their team.
The team travels backwards in time to 1983 as Nathaniel and Kora join forces to establish an army.
Sybil and Nathaniel proceed with their mission to wreak havoc on the future of S.H.I.E.L.D.
Sybil tries to locate Fitz from Jemma's memories, and Kora suddenly turns on Nathaniel.
The concluding battle against the Chronicoms takes place, and a familiar person reappears.