"One Door Closes" is the fifteenth 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 face a rival faction of S.H.I.E.L.D. It is set in the Marvel Cinematic Universe and acknowledges the franchise's films. Wikipedia