Rojo,Tetrax And Zero Are Go To Chicago For Investigate Sudden Abnormal Weather There They Are Attack By A Unstable Weather Report Machine So Zero Is Transfrom Into Jazz And Defeat It But Weather Machine Somehow Survive Then They Are Go To Investigate After Investigation They Are Find Out That Weather Machine Is Create Abnormal Weather Then Chicago City Under Attack By Weather Machine Who Now Transfrom Into Cloud Giant Snake So Zero Is Transfrom Into Ultimax And Use Energy Beam Defeat It