The Phantom Thief Cassian, known as “Z,” robs the rich to save his son from the Desert Heat Sickness, but after his partner betrays him and his boy falls into a tycoon’s hands, he turns himself in to breach the bunker, fights alongside his rival Vera in a riot to rescue his dying child—only to discover the disaster is a man-made disaster caused by the tycoon cutting off the water. Now he marches to the underground dam, determined to blow it up and bring rain back to the parched land.