5x04 Emma & Hook #1

WHEN SHE LEARNS KING ARTHUR MAY BE HIDING HIS TRUE INTENTIONS, MARY MARGARET MUST CONVINCE DAVID AND THE HEROES OF HER SUSPICION BEFORE THEY JEOPARDIZE EMMA’S SAFETY, ON ABC’S “ONCE UPON A TIME“ Sinqua Walls Guest Stars as Lancelot, Joana Metrass Guest Stars as Guinevere and Liam Garrigan Guest Stars as King Arthur “The Broken Kingdom“ - After receiving a cryptic warning from Lancelot about Arthur’s intentions, Mary Margaret realizes Arthur may be the heroes’ biggest threat, but when she is unable to conv