"Who You Really Are" is the twelfth episode of the second season of the American television series Agents of S.H.I.E.L.D. Based on the Marvel Comics organization S.H.I.E.L.D., it follows Phil Coulson and his team of S.H.I.E.L.D. agents as they deal with an amnesiac Sif and revelations about the Kree and Inhumans. Wikipedia