Steff and her younger sister Paulie are staying at a retirement community with their grandmother, an avid gardener, when they hear stories about a phantom gardener who works at night and a thief who is stealing plants.

While visiting their cousins Belinda and Melinda, who work at a camping resort and tell people about Jesus, Steff and her younger sister Paulie investigate a theft and other suspicious occurrences.

While staying with their aunt, Steff and her younger sister Paulie discover that someone really is after the valuable old clock that Aunt Opal keeps hidden amid all the other stuff that is crammed into her house.