Young female Army combat medic, Liz "Doc" Roberts, struggles with memories of her service. Is it PTSD or love for a fallen Soldier? She finds redemption and solace in the most unlikely of allies.

When an unexpected enemy emerges and threatens global safety and security, Nick Fury, director of the international peacekeeping agency known as S.H.I.E.L.D., finds himself in need of a team to pull the world back from the brink of disaster. Spanning the globe, a daring recruitment effort begins!