Cat has no idea what a tux is, nor does he even know what a wedding is. He has never been to a wedding--ever!

The wedding day gets closer and Cat begins to learn what it takes to be a ring bearer and how important his job really is.

As his nerves try to get the best of him, he makes an unexpected friend and realizes he has someone there by his side, and together they navigate through the wedding and figure out that it's not scary at all!