Rachel,aconcernedresearcher,andherteamhavesetouttoseatoprovethatthedisappearanceofafamilyandcrewfromamerchantshipwasforreasonshavingtodowiththesupernatural.HertheorythatthoseontheMaryCelestevanishedintoa"rift"betweendimensionsprovestrueastheboatbreaksdownandhercrewbeginstovanishonebyone.
