In universe, there was a lots of galaxies and planets, who were able to reach the other ones as well. Technology.

You’re working for a criminal and he gave you a mission. But had to betray him to be free. But you had to get your mission done, to get one of the most powerful weapons in the whole universe, a globe.

But Chan was also after the globe. He didn’t know what it was, he was just in for the money. And he got on your way so you fought with him, but you two ended up in jail.