Lincoln Mathers (Doug Cockle) is an ambitious New York analyst trying to balance work and family life. He, along with his wife Sarah (Sara Stewart) and daughter Beth relocate to England and move into an old Victorian house in London's East End. Things appear to be going well until Sarah uncovers a buried tomb in the house's celler, and becomes host to an ancient spirit. Local voodoo followers Ray and Ruth believe that the spirit if an African warrior from West Africa now inhabits Sarah's body. They make plans for an exorcism but when they approach Lincoln to get him involved, he refuses to listen. When he finally notices that his wife is not who she was, he is forced to accept that his family's only salvation lies in a leap of faith. They enlist the help of local historian Fiona (Trisha Mortiner) who is able to make Lincoln see sense and put his trust in them. In a breathtaking climax, Lincoln hold a violent and frenzied Sarah captive and struggles to make an emotional connection with a wife held hostage by a warrior's spirit.