Anne Frank is 13, presently in the story living in Amsterdam, Holland. She had always wanted a diary, so for her birthday her parents give her one, she is overjoyed and names her diary, "Kitty". She tells the diary all of her daily thoughts and secrets.
Margot, Anne's beloved sister is called up into one of the concentration camps. The Frank's then go into hiding, refusing to let Margot go to the camps. Their hiding place is from Otto Frank's old work, they hide with the help of his Dutch co-workers.
Another Jew is going into hiding with them, he goes by the name of Dussel. Most of the time in the day, until night they have to be deadly silent until the workers leave. A deadly dreaded fear of getting caught by the Nazis.
The storeroom below the secret annexe got broken into. Police are called, they almost find the annexe's entrance. Everyone has to be dead silent for a long while to avoid capture.
The Gestapo make arrests, and take even more people over the filled countries with jews. The Nazi's find the "green grocer" who had been hiding two jews! Now the secret annexe is receiving lesser food than before.
The Nazi's finally find the hiding place of the Franks, Mr. Dussel, and the Van Daans. The gestapo take all of them away, poor Anne didn't even have enough time to wright anymore in her diary before the gestapo came.