Nicky lives in Riyado Town, which appeared to have been put under siege by an Absol. Every time it appeared, something bad would happen. Nicky's brother Gordon wanted to find out if Absol was really the source of the bad events, so he sought out the Absol. When he didn't return, the town assumed the Absol had gotten to him. But Nicky refused Absol was truly responsible for the accidents happening, and wanted to find out the truth for himself.
With the help of Ash and his friends, Nicky was able to track down both Gordon and Absol. They learned that the Absol was actually trying to warn the town about an imminent flood that was going to destroy it. Using their Pokémon, the kids were able to stop the flood from reaching the town. Due to this, the people of Riyado Town excused themselves to Absol.