You're a Good Man, Charlie Brown is a musical comedy with music and lyrics by Clark Gesner, based on the characters created by cartoonist Charles M. Schulz in his comic strip Peanuts.
Ann, a former chorus girl marries above herself into a rich society family, but her mother-in-law regards her with great suspicion from the start. When Ann shoots her husband dead, claiming she thought he was a prowler, the older Mrs. Grenville decides to back the woman she despises, to protect the family image.