 Lenni and Rob meet the mysterious person who turns out to be Momo. He s heard about the perc and wants to help them out. He explains that his boss has records in his office of various haulers that take things away from the store but he can t get into it yet. The kids know that probably whoever hauled away the perc dumped it into the garden. Ghostwriter finds the name of the hauler: Miller Haulers, run by John Miller. Lenni comes home to find Sally and her father fixing dinner. Uncomfortable with seeing them together, she snaps at them and runs into her room. She writes to Ghostwriter and tells him that she s scared. Later that night she talks to her father, who assures her that no matter who he meets, nobody will make him forget her mother. Lenni feels better as they hug each other. Alex and Tina go to Miller Haulers for clues. Mr. Miller is a successful businessman and generous local philanthropist who will be honored at Hurston School in a few days. They overhear him yelling over the phone about getting certain papers and a shredder, which seems suspicious to them. They believe that he will try to destroy evidence including the invoices (bills) from French Garment Cleaners. Those receipts confirm that Miller took away the barrels and is responsible for dumping them. They ask Momo for help in stopping Miller but he says he can t. Without any solid evidence, the kids can t catch Miller for poisoning their garden.