Zet and Kat are in charge, now that their father is off fighting the Hyksos. But sales are dead at their family market stall. It seems adults don't trust kids running the place. In desperate need of money, Zet has to do something! When he spots a thief running from the medjay and learns there's a reward for his capture, he and Kat are determined to win it. The chase leads them into forbidden temples whispering with the voices of ancient gods, into a web that threatens to crush their family forever.