Nancy drops her father off at the airport. She then goes home but is an accident. She runs into a guy. Later he is taken away in an ambulance and she is questioned by the police. But it turns out that the person she spoke was not a cop and all evidence that she was in accident was removed. So she tries to find out what is going on.
Joe is in Hong Kong with Frank and his father to help a friend of his father with a man's defection. Joe's in an accident and when he wakes up he is told that he's been in a coma for a year. He is then approached by a government agent who tells him that Frank and his father were killed when they tried to bring the defector in, possibly betrayed by his friend. He asks Joe about the details and he tells him. But Joe doesn't know is that he was tricked into revealing where the meeting is.
Frank and Joe go to New Orleans for Mardis Gras. And they manage to find a room. But a man, Mr. Dove for some reason wants them out of the room. So he asks someone to lift their wallets, hoping that they will leave but don't. And they run into Nancy Drew who's there on a case of her own.
While in Hawaii, Frank goes wind surfing and he sees a girl also wind surfing. When she flips over, Frank goes in to find her but couldn't. The police are convinced that Frank did nothing wrong so they release him. He later meets the girl's father who says that he hasn't seen her in two years. He asks Frank if he could find out what she's been doing. Frank who also wants to know who she is, and he learns that she's a remarkable girl but also has a dark secret.