邁克·科瓦克(科林·奧多霍諾 Colin O'Donoghue 飾)是一個出身葬儀家庭的神學院學生,但是他的心中始終找不到任何信仰的依附。偶然機緣,邁克被派往梵蒂岡參加一個驅魔師的培訓課程。對上帝尚且心懷疑惑,何況玄之又玄的驅魔儀式,邁克以科學的角度和授課老師展開辯論。在老師的推薦下,他前去拜訪了因驅魔而名聲顯赫的盧卡斯·特雷萬神父(安東尼奧·霍普金斯 Anthony Hopkins 飾)。雖然親身經歷了盧卡斯神父的驅魔儀式,但是他依然不相信魔鬼的存在,直到一系列匪夷所思的事情在其身上發生,邁克靈魂的深處才真正發生了動搖……
根據Matt Baglio的小說《儀式:現代驅魔人的製造》改編,故事靈感來自真實事件。
Whatever Works explores the relationship between a crotchety misanthrope, Boris and a naïve, impressionable young runaway from the south, Melody. When Melody's uptight parents arrive in New York to rescue her, they are quickly drawn into wildly unexpected romantic entanglements. Everyone discovers that finding love is just a combination of lucky chance and appreciating the value of "whatever works."
After making a psychologically compromising decision, a young woman faces a vividly strange reality.