Two British S.H.I.E.L.D. Agent's, Hardcastle and Harper, are undercover in the UK. They are gathering Intel on a Latvian Inhuman named Maris Eihmanis, also known as the "Dark Whisperer".

Two British S.H.I.E.L.D. Agent's, Hardcastle [Neal Gavyn] and Harper [Rebecca Corcoran], are undercover in the UK. They are gathering Intel on a Latvian Inhuman named Maris Eihmanis [Sophie Heppell], also known as the "Dark Whisperer". Agent Coulson and his team hope to convince Maris to join S.H.I.E.L.D. after an ongoing psyche evaluation. Hydra have other ideas. S.H.I.E.L.D. is compromised, can Operative "Eagle" [Ariane Hazeldine] and the infamous Cyborg Necromancer "Cyro" [Tim Panter] reach the extraction site in time?—North Film