1938. James Lee Quatermain is a man of many talents, yet holding on to money isn't one of them. James is an adventurer by trade, just like his legendary great-grandfather Allan Quatermain. And he knows how to squeeze money out of this famous name of his, while at the same time despising it. Despising those who believe his great-grandfather's tales of the supernatural and those who make fun of them alike.
Accordingly, Quatermain isn't all too keen on escorting Jennifer Goodwin, an US agent and former colleague of his, to an Egyptian temple structure in order to retrieve an ancient artifact - The Heart of Atlantis. Neither does he believe in the reputed invigorating qualities of this artifact, nor does he care the least that a division of the Ahnenerbe, the Nazi department specialized in the occult, is after The Heart as well.