In this the second book in the chronicles of Adam Black, Adam is with his mates in the Army Cadets down in Northumberland when he is chased by a gang of local boys and in escaping from them finds himself transported back to the age of the Vikings.He is carried off on a great adventure with battles, attacks by pirates, storms, wolves and shipwrecks all being part of the fun.As in the previous adventure he makes a good many friends including a girlfriend and is given a dire warning from a monk from the 41st Century.