Unravel one of the greatest mysteries of our time! On the 30th June 1908 an explosion with the combined energy of 2000 Hiroshima bombs rocked the region of Tunguska in Central Siberia and felled over 6,000 square km of trees. The explosion could be heard from as far as 1,000km away.
Bigfoot, the Abominable Snowman, the Loch Ness Monster - cryptozoologists are trying to track these creatures down and research them. One also appears in the legends of the Ashanti people in Ghana. These tell of human-like creatures that lurk in the trees at night and take their victims off to their caves to suck their blood: the Asanbosam. Right after journalist Sam Peters has escaped from a volcanic eruption on an Indonesian island caused by terrorists, her boss sends her to Africa. Soon enough, strange things start happening at Bosumtwi, a mysterious crater lake. Could the Asanbosam really exist? Sam Peters is searching for the answers in this thrilling tale of the Secret Files series.