When Alpheus Benthos announces he has found the gates to Lemuria, the Nektons fear he's beaten them to their greatest prize. But Alpheus unleashes forces he cannot control.

Catatumbo Bay is the site of a lightning storm that has been going for hundreds of years. The Nektons investigations lead them to discover a gigantic creature is responsible.

The Nektons find the Dark Orca pirate submarine completely deserted. It's as if the pirate crew have just abandoned it. But why? And what are those mysterious, ghostly sounds?

The Nektons encounter a huge, white whale, but Devil Daniels, Monster Hunter, is trying to capture it. When they discover who the whale really is, the Nektons realise they must save it.

The Nektons find a mysterious, underwater maze. When they enter it, walls shift and they become disoriented. They're soon trapped inside and, what's worse - they're not alone.