"Death Becomes Her" is a dark comedy film that explores themes of vanity and immortality. The story follows two rival women, Madeline Ashton and Helen Sharp, who both desire the same man, Ernest Menville. In their quest for eternal youth, they discover a magical potion that grants them immortality but comes with unexpected and humorous consequences. As the women navigate their newfound powers, they face bizarre situations that highlight the absurdity of their obsession with beauty. The film cleverly blends humor and horror, showcasing the lengths people will go to for love and acceptance, ultimately revealing the pitfalls of their choices.