电影非诚勿扰想表达什么

故事剧情是女主角的母亲因一直做恶梦而女主角回到家乡去探望他，这时全镇的小孩突然患上不名疾病，后来女主角发现是个一位传教士约书亚有关，到底整件事的真相是如何呢.....。In 1900, Naomi Murdoch deserted her small-town family to go on the stage. Some ten years later, daughter Lily invites Naomi back to see her in the Riverdale high school play. Her arrival sets the whole town abuzz, wakes up old conflicts, and sets off new emotional storms.。