What happened when the box was opened?

Explanation

When the box was opened, Mij went out of the box. He disappeared at a high speed down the aircraft. There were cries all around. A woman stood up on her seat screaming that there was a rat. e saw Mi’s tail disaearing eneath the legs of an Indian passenger. He dived for it, but missed. The airhostess suggested him to be seated and that she would find the otter. After a while, Mij had returned to him. It climbed on his knee and began to rub its nose on his face and neck.