It's not okay to betray the dead.
Timmy's grandfather died and left him his old Mustang that Timmy promised to restore once he is caught up on his bills.
Timmy needs money to pay his bills.
Timmy offers to help his grandmother around the house for extra money, so he can start restoring the car soon.
Timmy sells the Mustang, so he can pay off the credit cards he has run up.
Timmy's grandmother is proud of her grandson for working hard to keep his promise.
Timmy's grandmother is deeply disappointed to hear he broke his promise to her husband.