His name is Xizor. He's the evil underlord of a criminal organization called Black Sun, and he's out to destroy Darth Vader. The target of the two battling supervillains is Luke Skywalker. Vader wants Luke captured alive so that he can turn him to the dark side. But Xizor is already plotting Luke's death.
Now Luke's life, and his mission to rescue Han Solo, are in jeopardy. He and his friends must run for their lives from the galaxy's darkest forces.