The story seems to be good, but maybe it could turn into something many have made already. Be wary of that and you should be fine. Except for that, you did quite good. I don't know if you have much experience in animating, but there are points you can definetely improve on.
One of them is your amount of frames per animation. Creating a somewhat more fluid movement for the characters would already be a good improvement, as well as properly aligning the movement speed of the wolf with it's background. Taking the time to create a better background as well as improving the character's positioning compared to them would make a great difference. Improving those little things can turn your animation into a true masterpiece.
Greetz, Tomster1000