Bullied outcast Rudo finds respite in repurposing trash, until a terrible tragedy changes his life forever.

Cast into the Pit, Rudo is saved by the mysterious Enjin who may not have his best interests at heart.

Enjin teaches Rudo about life on the Ground, but an encounter with a churlish stranger may cut his time short.

After being introduced to Cleaner HQ, Rudo follows Riyo on a job to learn the business.

The Cleaners go on a job to save another Sphereite who survived the fall. Rudo tags along to learn more.

With the job having gone terribly wrong, Rudo finds himself face to face with a merciless Raider named Jabber.

Jabber employs a new strategy to get through Rudo's defenses, and another ally joins the fray.

Rudo deals with the emotional aftermath of the Jabber fight and gets a new lead about returning to the Sphere.

To get a "spell" for their next mission, the Cleaners head to Canvas Town, where they make a tragic discovery.

With their gear-up complete, the crew heads into the No Man's Land, Penta, to get clues about the Sphere.

A mysterious woman living in the No Man's Land challenges the crew from an unexpected angle.

Tamsy and Zanka fight to save their captive allies. In the aftermath, Rudo has an unexpected reaction.

Amo tells the story of how she came to the tower and of the "angels" who came to visit her.

After returning from the Penta No Man's Land, Rudo and the Cleaners face a series of new threats.

Taken by the Raiders to an unknown setting, the Cleaners fight for their lives, and Zodyl makes Rudo an offer.

Bundus interrogates the Santas while Zanka struggles to keep pace with a powered-up Jabber.

Zanka reflects on the turning point in his past that brought him to where he is today.

While the Raiders-Cleaners conflicts continue, the battle between Riyo and Noerde heats up.

Zodyl reveals his plan to reach the Sphere, and the other Cleaners react to their current circumstances.

As the battle climaxes, Enjin makes a play to unite his team, and Zodyl makes his final entreaty to Rudo.

The Cleaners attempt to stop their "runaway train," but Bundus stands in the way.

An unexpected member of the Raiders returns in a last-ditch effort to keep the Cleaners locked down.

As the Cleaners take stock after the battle, a convalescing Zanka receives some surprising news.

Rudo and the other child Cleaners take a trip to Canvas Town while Corvus entertains some unwanted guests.