The year is 1521 in the Mexica city of Tenochtitlan. 29 years earlier, Islamic Spain never fell to the Christians, and Andalus launched a voyage of discovery to the New Maghreb. For two decades the Jewish merchant Eli Ben Abram, who led the first ships across the sea, has maintained a delicate peace in the Moorish enclave of Moctezuma’s breathtaking capital, assisted by his Nahua wife Malinala. But the emperor has been acting strangely, sacrifices are increasing at the temples, a mysterious sickness is spreading through the city, and there are rumours of a hostile army crossing the sea.