The water truck, sealed to hide its human cargo, has broken down. The coyotes have taken all the passengers' money for a mechanic and have not returned. Those left behind have no choice but to wait. Héctor finds a name in his friend César's phone. AnniMac. A name with an American number. He must reach her, both for rescue and to pass along the message César has come so far to deliver. But are his messages going through?