Bakuage Sentai Boonboomger GekijoBoon! Promise the Circuit

Boonboomger and HIKAKIN are doing a collaborative photo shoot at the circuit track purchased by Taiya. Suddenly, the princess of the "Sensing Star Trickle" runs away. Protected Boonboomcar. However, Hashiryan threatens to fire a "star-sensitive large destruction missile" at Earth if he does not hand over the princess...!. He also sends Hashiryan's capture captain, Damon Thunder, to Earth. With the power of Damon Thunder, Taiya The circuit field has been turned into a bitter beast called "Circuit Gurumer", and what happens... Boonboomger usually reliable super machine ''Boonboomcar" has also been swallowed up by Circuit Gurumar and is under the enemy's control...!? As expected from the situation, Boonboomger is in a big pinch.