Desc: As the Call, So the Echo: Directed by Keir Moreano. With Amy Berkompas, LaRelle Catherman, Doan Thi Hoa, Sydney Hodge. AS THE CALL, SO THE ECHO tells the story of an American surgeon who volunteers in a poverty stricken hospital in central Vietnam. When a woman with a deadly cancer is presented to him, he must struggle to save her life, fighting to overcome a language barrier, limited equipment, and his deepest fears.