Jamal sees some strange masked creatures in the park and finds a THABTO button where the masked creatures were. Also, Jamal's sister, Danitra, goes to college and leaves him her computer. On the first day he gets a weird message asking ""Where are the children, are they OK?"". Lenni Frazier, a school mate of Jamal's, is also contacted by the strange ghost-like creature. Who is this mysterious being? Meanwhile, elementary student Gaby Fernandez gets her backpack stolen on her way to school.

Jamal and Lenni learn that the mysterious being is a spirit that wants to be friends. With no memory of where it came from, they nick name it Ghostwriter. Jamal goes to see Alex Fernandez, a friend of Lenni's, to help decipher a coded message he found in his locker and in the park. Now, Ghostwriter decides to write to Alex, too.

Alex learns about Ghostwriter. Jamal and Alex figure out that the THABTOS, are who have been stealing backpacks (including Gaby's) and learn that these are the same kids Jamal saw at the park. Gaby, Alex's sister encounters the mysterious being.

The team, consisting of Jamal, Lenni, Alex, & Gaby, discover that the backpack thieves are planning a final secret ceremony. They leave a fake message in one their lockers saying that the ceremony is cancelled. Alex goes undercover as one of them but there's one problem: Alex doesn't know which code name to go by.

The team, with the help of the robbed kids, set a trap for the backpack thieves at the video arcade. After the theives are caught, the four decide to become the ""Ghostwriter Team"" and vow to try and solve mysteries.

A mysterious man delivers a letter to Brinker. Whatever it says makes Brinker so mad he takes his anger out on Jamal and his friends. Jamal writes a letter to calm Brinker down and delivers it to him on the same night a fire is set.

Jamal finds himself in hot water when the fire is blamed on him. Lenni learns that Jamal was at the arson but didn't commit the crime.

The team learns that they have only a few days to clear Jamal before his arrest.

The team later learns that Mr. Brinker copies video tapes, which is against the law. They also learn that Mr. Brinker set fire to his own store, but shut off the smoke alarm, so Mr. Brinker is arrested. Also, according to Tina and Gaby, Mr. Brinker set his clock 1 hour earlier than when the fire happened.

Alex is running for school president and his friends are happy but soon it takes a serious turn when someone starts putting up flyers that have embarrassing secrets about him.

The team tries to look harder for the ones responsible for the smear flyers. Alex learns that the girl who is susposely trying to sabatoge his election likes him. New transfer student Rob encounters Ghostwriter.

Alex considers dropping out of the election but his mother and friends convince him not to. Alex learns that Calvin and Jeffery are doing some campaign parties on school grounds.

Alex decides to teach his pen pal a lesson about telling embarrassing secrets.

Lenni encourages the team to get involved in a comic book contest. The team thinks it's lame until she tells them the winner gets to star in a comic book with Cosmic Cook's drawing of Hood Man. Someone, however, wants them out of the way.

Jamal and Lenni try to figure out who sent that terrible cartoon of them. Rob visits a homeless poet and hears him read one of his poems. Alex and Gaby fear their parents might get divorced after hearing them argue.

Even more strange things start happening at the comic book contest. Someone impersonates one the guides and gives out phoney pannels. A mysterious guy named Stoop Dude sends the competitors in the wrong direction.

Lenni discovers Manny Gytes rejection letter of his cartoon Stoop Dude. The team sets out to confront Manny with the help of his aunt.

Rob takes Jamal to see his friend Double T who he met at the homeless shelter. When they go, Double T has mysteriously vanished leaving no trace of where he is. The only clue is a broken broom and a torn diary. Rob fears that someone is out to get Double T.

Rob meets up with Double T's daughter. The team wants to help but Rob leaves them out of it. Ghostwriter says that they should help. They learn of an abandoned subway where Double T and his friend Hush used to sleep. Lisa decides to go there to look for her father but Rob doesn't think it's a good idea. He proves to be right when there's a cave-in and his Ghostwriter pen is gone.

While trapped in the abandoned subway, Rob tries to spell out a message to Ghostwriter to tell the team where he is. Can Ghostwriter read the message?.

The team learns of Double T's whereabouts. When they find him, he confesses that he was the one who broke his broom and tore his journal. The team asks where Rob is, but he says that he doesn't know. He agrees to help the team look for Rob.

The team learns of Rob's whereabouts and the tunnel he's trapped in. With the help of Jamal's dad, Double T sets out to rescue Lisa and Rob.

Tina gets an after school job answering fan mail to famous actress Lana Barnes. She is having fun answering her mail but she finds out something else; someone is sending her obscene mail.

Tina gets worried when Lana doesn't show up at the tailor shop. She finds her locked in her garage. Lana believes that it's just an obsessed fan. Tina and the team go to Lana's house to find out who might be after her. They find out that she had four husbands. One of her husbands was the one who made her a star, but she divorced him. Another member of her family is her long lost daughter who's holding a grudge against her.

Tina and the gang go to the hotel where Lana Barnes is getting her award. Lana confesses that she does miss her daughter. Her divorced husband tells them that he doesn't hate her, but her daughter still seems suspicious.