When Coulson and his team are attacked by Lorelei - a deadly seductress who escaped from Asgard - Thor’s Lady Sif, her longtime nemesis, steps in to try to save them.

Coulson and General Talbot are forced to team up and attend a worldwide symposium on Inhumans, where they suspect Malick has an inside man. As the S.H.I.E.L.D. team gets closer to the truth, an unexpected traitor is revealed.