内容简介：
Thirteen-year-old Martin Cooper feels pegged for failure. Following the death of his father, he lives with his mother and his quirky uncle on the poor side of Twin Hills. His only pleasure in life is skateboarding. Martin agrees to attend school in a wealthy neighbourhood because the townas only skate park is nearby. At school, Martin struggles to hide his poor social status and gain popularity. However, he clashes with a skateboard rival named Brent Stocker, who also competes with Martin for the affection of Martinas dream girl, Sarah. Martinas popularity predicament changes when he finds a duffle bag with a rewarding secret. While using its contents to even the score on his sad life, Martin is pursued by a mysterious man, the police, and is haunted by his need to protect his secret at all costs. He finds that possessing his new treasure comes with a severe price.