When Margaret’s entitled neighbor Brian filled in her beloved pond while she was away, he had no idea of the fierce response he’d provoke. Margaret, a 74-year-old widow, was heartbroken but determined to fight back.

For years, her pond had been the heart of family gatherings. Brian, who moved in next door, constantly complained about the frogs. Margaret always smiled and ignored him—until she returned from visiting her sister to find her pond filled with dirt.

A neighbor confirmed a crew had been ordered to destroy it. Luckily, Margaret’s bird camera caught Brian directing the workers. She reported him to the environmental agency, which fined him $50,000.

With help from her lawyer grandson, Margaret sued Brian for damages. She also spoke with his wife, Karen, who was horrified and arranged for the pond’s restoration.

Brian moved away in shame. Margaret not only saved her pond but gained an unexpected new friend in Karen.