Danny had been bored as the Ghost King, having reigned for centuries with his friends and family, so he went to Clockwork to check on the timelines of some dimensions with the Time Ghost, again.
Instead, he found himself underwater and looking completely different than usual. This is something to cure his boredom, so he accepts that this is his temporary life until he either dies again or is brought back to the Infinite Realms manually.
Many years go by, and Danny hears the sound of something big falling into the oceanic planet he calls home. He goes to investigate and finds a massive spaceship that's had a crash landing. He searches the area for any survivors but finds none. The next day, he comes across three humans who had survived the crash. He spends time with them, but they die from smaller 'Leviathan's' as the Humans call them and him.
It was another 10 years until he would encounter more humans in another crashed spaceship. But these humans are colorful and are obviously heroes of some kind, and they have little Ghost Babies!
Meanwhile, the Batfam has found themselves stranded on an oceanic planet when they snuck aboard the 'Aurora' with no way to contact the Justice League for aid. They have found an old and damaged log about a 'Phantom Sea Emperor' from previous humans on a ship known as the 'Degasi' that crashed on the planet they are on.
The Batfam try their best to avoid any of the dangerous wildlife on the planet, but the 'Phantom Sea Emperor' had found them. They expected to be eaten or something, but instead, they were greeted telepathically by the Leviathan Class creature. Jason, Damian, and Cass are being treated as "babies" by the creature.