This is one of my favourite Disney movies. The part in this movie that really chokes me up is right at the end.
Mulan has just gotten back from going to war for her father (which is completely illegal) and she has dishonoured her family by posing as a man to save his life.
The Huns break into the palace and kidnap the Emporer, and it is up to Mulan and her war friends to save him.
They do, and this video is what happens from then on.
If you don't want to watch the whole thing, skip to 2:50 as that is the part that chokes me up.
Explanation below video.
If you skipped the first 2:50 it was about how the Emporer thanks Mulan for saving him. He gives her his medallion and a sword so that everyone in China will know that she is honoured for saving them. She then returns home to her family, and this is the first time they have seen her since she snuck out of the house prior to the war.
Mulan is concerned with letting her father know that she didn't dishonour her family, but he is just grateful that she is alive.
The cherry blossoms are supposed to be symbolical of Mulan blossoming into a beautiful woman.