S.H.I.E.L.D. Files

Agent Olivia Smith was placed in a secret base with another Agent after aliens descended on New York.
When Hydra makes their plan known and Agent Coulson and his team show up to this secret base. Things make a drastic turn.
Someone from Olivia's past makes their presence at this secret base.

Olivia is thrust into the world that is Phil Coulson's team. Her secrets will be revealed as time goes on. One's she tried to bury for years. Well not just her, but Fury himself tried to bury them to keep her safe.