"Rival archaeologists must team up on a secret Aztec expedition, or it could leave their careers-and hearts-in ruins. Archaeologist Dr. Socorro "Corrie" Mejía has a bone to pick. Literally. It's been Corrie's life goal to lead an expedition deep into the Mexican jungle in search of the long-lost remains of her ancestor, Chimalli, an ancient warrior of the Aztec empire. But when she is invited to join an all-expenses-paid dig to do just that, Corrie...

Fleeing to the U.S. border, Sitlati finds a conch shell detailed with ancient markings that connects her to Calizto, a young Aztec warrior in 1521 Tenochtitlan, and together they fight to survive--and for their love--across centuries.