Alecto Carrow, the last fugitive Death Eater, travels to New Jersey to carry out Lord Voldemorts final plan; resurrect the legendary Golem and revenge the death of her master. Harry and Ron are given the assignment to stop her, but in order to do so they are forced to break a few rules and call for help from a muggle named Coop and his giant robot Megas. And as if things were not complicated enough, Coop's enemies, the Glorft, are also interested in The Golem.
The story is set in 2004, 6 years after the battle of Hogwarts. Harry Potter and Ron Weasley are both aurors now.