The story takes four hours to complete. There is a villainous team who are attempting to capture a second Kubfu that is around the Isle of Armor. They try to capture the one you get before you fight them off. This causes Kubfu to trust you.

151 returning Pokemon (including Galar forms)

Some new Galar forms include:

Skitty which is a Fairy type and Delcatty which becomes a Fairy and Poison type

Bidoof which becomes a Water type and Bibarel which becomes a Water and Ground type.

Buizel which is now a Dark type and Floatzel which is a Dark and Rock type

There are more Galar forms
There are 22 new Pokemon (Not including Galar forms)

The Isle of Armor is twice the size the wild area when you take the big cave in the back in to consideration as it has different levels. Where you will find another Legendary Pokemon