Scarlett McNally lives with her mother and little brother, goes to a regular school and doesn’t always want to clean up her room. But Scarlet has a secret: she received a box of tools as a gift from her dad, who died several years ago. And in the box there was dad's old diary, from which Scarlet learns that her dad was a secret government agent! Rumor has it that Dick McNally was always paid in diamonds. And Scarlet decides to find those very father’s diamonds at all costs. But the girl doesn’t even suspect that very dangerous and influential people from their town are out hunting for the jewels, and they are watching Scarlet’s every move... Will Scarlet be able to get away with it and find the jewels?