Johnny Yuma

In this spaghetti western, a conniving wife has her husband murdered and finds herself butting heads with his heir. The woman then enlists the assistance of her ex-lover to kill him. Unfortunately the woman tries to double-cross the ex-lover; this makes him so angry that he and the heir team up and kill her bodyguards. In the ensuing gun battle the lover is killed. Just before he dies, he manages to sabotage the woman's water supply that she needed to flee across the desert. Later the rightful heir finds her body in the sand.