"The Writing on the Wall" is the seventh 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 hunt two killers: one a former friend and prisoner, the other with possible answers concerning Coulson's mysterious resurrection. Wikipedia