When a soul mate dies, it doesn't necessarily mean she is gone. A Twin Falls is a story of mystery, fantasy, and friendship set in Mammoth Lakes, California. When one twin and husband are killed in a plane crash, the other, sole survivor of the crash, discovers the bond of twin-ship transcends death. With her sister's help, Janet Westmore solves the mystery of how her twin died, and foils the killer's second attempt at murder.