Mr. Match is back in town--but that's the least of Lan's problems! The CyberWorld is being attacked by a flowery fiend with a desire to drain all the Data in DenTech City, and then the world! As computers, traffic systems and just about everything else electronic shuts down, Agent Lan and MegaMan are called into action to figure out how to stop the botanical nightmare, but soon MegaMan becomes trapped by the viney villain VineMan. On a mission of his own, HeatMan suddenly appears and frees MegaMan, but is badly damaged in the battle. As Famous helps Mr. Match recover HeatMan's data, somehow TorchMan's spirit is revived in the process! As MegaMan enters the final showdown with VineMan, he's soon joined by TorchMan to go DoubleSoul and fry the vicious vegetable!!