On the rainy night of October 2, 1968, eight characters waiting on a remote bus station for a bus heading to Mexico City start experiencing a strange phenomenon.

When school teacher Harriet Winslow goes to Mexico to teach, she is kidnapped by Gen. Tomas Arroyo and his revolutionaries. An aging American, Ambrose "Old Gringo" Bierce also in Mexico, befriends Gen. Arroyo and meets Harriet. Bi...