Every time Thor travels to the mortal land of Midgard, he finds all the mead, battle and romance that a young god could possibly want. But he still can't figure out how to prove himself worthy of the mighty hammer Mjolnir. Now Odin is determined to keep his son away from Midgard for good - and young Loki knows just the way to do it! Then, in the modern day, Thor is held prisoner by the fearsome warriors of the Tenth Realm: Heven! Can even the intervention of Valkyrie and Thor's deadly sister Angela help Thor escape the inescapable prison of angels?