Luminary Rogue

Batman and Joker have retired. Both billionaires, both still hidden to the crowd.
After the mission Batman set himself into, but end up failing it. He came to a point where he no longer thought to be a hero. Batman had disappeared. As well as his old enemy The Joker, both were after the same thing. But something happened that had changed their life.

Liam is Batman's son, and he always wondered what made his father quit everything. So he would sometimes sneak into the old abandoned Batcave, to figure out more about this mission.

Zayn is The Joker's son, he as well is curious about the mission his father was in against Batman. He wants to make his father proud, so out he was finding clues.
Until.

Liam and Zayn both meet.

What will happen?

You'll have to read and find out.