911接線員艾莉絲是個生活孤單的年輕女性；某天，她居然收到一份詭異的快遞：一副棺材！驚嚇之餘、不得已只能將棺材暫放客廳的艾莉絲，為了找出寄送者的身分，展開一場怪誕旅程。送棺材給她的，究竟是鬼屋主人、殯葬業者，還是與她分…

　　Scientists make a horrible discovery: The "Big One" is coming in two days, with it, California will sink to the ocean. Their only hope is to rupture a v…