What happens in the movie Coraline?

In the movie "Coraline", a young girl named Coraline Jones moves into a new house with her parents. She discovers a secret door in her new home that leads to an alternate reality, where she finds a world that is very similar to her own, except that everything is better. The other parents are more attentive and caring, the food is more delicious, and the toys are more fun. However, Coraline soon discovers that this alternate reality is not as perfect as it seems, and that there is a sinister secret behind it. She must find a way to escape the alternate reality and return to her real home before it's too late.

Here is a more detailed summary of the movie's plot:

* Coraline moves into a new house with her parents, who are busy with work and don't have much time for her.

* Coraline discovers a secret door in her new home that leads to an alternate reality, where everything is better.

* Coraline meets the alternate versions of her parents, who are more attentive and caring than her real parents.

* Coraline also meets a boy named Wybie, who is the grandson of the alternate reality's landlady, Mrs. Lovat.

* Coraline begins to spend more time in the alternate reality, but she soon discovers that it is not as perfect as it seems.

* The alternate parents try to keep Coraline in the alternate reality by sewing buttons over her eyes.

* Coraline realizes that she must find a way to escape the alternate reality and return to her real home.

* Coraline enlists the help of Wybie to find the key to the secret door.

* Coraline returns to her real home and defeats the alternate parents.

* Coraline learns to appreciate her real parents and her real life.