A group calling themselves the New Ninja tries to stop a vengestone smuggling mission; the ninjas attempt to deal with Nya's disappearance.

On a ship out at sea, a sailor falls into the water during a perilous storm; to the crew's surprise, he's quickly placed back on the ship.

The ninjas' investigation into the vengestone smuggling mission sends them to an abandoned subway line where they run into the New Ninja.

The ninjas visit the mayor with an unusual appeal: to request the release of one of their sworn enemies from Kryptarium Prison.

The Ninja ward off the New Ninja to buy time while Aspheera returns Nya to human form, and a new villain plots trouble for Ninjago.

The Ninja are imprisoned; lloyd receives a mysterious masked visitor with a cryptic warning from the Crystal King.