STORAGE members are assigned to escort Ultra Medals to a research institute under the GAF's orders. But aliens are also aiming for the Ultra Medals, which are said to be the treasure of the universe! How can STORAGE deal the enemy space robot King Joe and how will Ultraman Z face it?!

The space pirate, Alien Barossa sneaks into STORAGE to retrieve King Joe! This space pirate is known for using various robbed tools and weapons from space and is a powerful enemy! In addition, King Joe is about to move again! Can Haruki stop this pirate?