The Old Rectory and the Pharaoh's Fingernail

Tom has recently inherited the eerie Old Rectory beside a graveyard, courtesy of his late grandmother. Along with it, she's left Tom a clandestine letter, housing the first clue to unearth her concealed jewellery and the enigmatic Pharaoh's Fingernail-much to Tom's bewilderment. Although unsure of the importance of an aged, withered fingernail, Tom knows he must locate the jewellery. However, can he accomplish this without enlisting the aid of his best pal, Toby?
Your guidance is crucial for Tom as he scours through the Old Rectory for clues, all while dodging Amy-his dad's girlfriend. Though she harbours animosity towards Tom, her curiosity about the jewellery's location seems fervent. Each clue draws Tom closer to the hidden treasures, but the mysteries of the Old Rectory are vast. Will Tom uncover the coveted items or will Amy's prying nature thwart his quest?