Утраченный символ (2021)

The denizens of the Leaf Village ready themselves for the coming of the Fourth Great Ninja War.

Tsunade sends out Naruto under the guise of a top-secret mission to keep him hidden away from the Akatsuki. Unfortunately, Naruto, Yamato, Gai, and Aoba are stuck at the pier due to a report of a monster attacking ships.

During their voyage, Naruto, Yamato, Gai, and Aoba stop at an island to recover from severe seasickness. There, they unexpectedly meet up with Sakura, Ino, and Choji, who are on an assignment to gather medical herbs for Tsunade.

As they continue their voyage towards the Land of Lightning, Naruto, Aoba, Guy and Yamato sail through a thick fog. To pass the time, Yamato tells Aoba and Naruto some ghost stories (much to Naruto's dislike).

On their way to the Land of Lightning, Naruto's ship gets caught in a storm. When the crew gets out of it, they encounter a savage group of pirates, who attempt to sink their boat and capture them. Yamato shields the boat with a Wood technique and they escape underwater in a sub-like contraption, which promptly falls apart. They wash up in an underwater cavern underneath the island the pirates had taken over some time ago. The residents of the island had taken refuge in the caves until they all died. Naruto swears to avenge them all. With a clever plan, Naruto and the ship are rocketed out of the island's dormant volcano top using underground hot springs and he successfully avenges the island folk by defeating the pirates.

Going after Guy, who was whisked away by a giant bird, Naruto, Yamato, and Aoba arrive on an island where they spot a young woman.

Might Guy recalls their "visualization" training with Lee in order to avoid learning the Drunken Fist and forgetting an incident which Might Guy apologizes to the restaurant owner with humiliation. Lee, who is determined to train to be stronger than Naruto, follows Might Guy's orders and resemble animal fighting styles which represent on a restaurant menu. However they failed, until they tried on training on a moving boat. Like Guy who has seasickness, Lee also suffers from seasickness but he uses it to balance the boat which resembles exactly as the Drunken Fist fighting style. Guy lately realizes that Lee is also aware of the restaurant incident and Lee was only protecting Guy from a drunk man which causes the restaurant to be totally damaged.

Making a stop at a nearby port to stock up on supplies, Naruto buys a rare mushroom from a vegetable merchant. But soon after they set sail for their next destination, Naruto and the other crewmembers find their ship infested with poisonous mushrooms.

The ship is caught in a storm and Naruto uses his shadow clones to protect the ship.After the storm, Naruto wakes up and a quarrel begins between Naruto and his Shadow clones. Soon his shadow clones revolt and take control of the ship and the crew is forced to land on a nearby island. Naruto is taken hostage by the shadow clones and they put forth their demands to him. Naruto is saved by Yamato and the others only to find that it was a dream. It was caused when a Shadow clone was released and the memories of it returned to Naruto. Naruto then realizes the worth of his clones and releases them.

Shikamaru begins to feel the pressure of shouldering the lives of his friends in the upcoming Fourth Shinobi World War. To help ease his mind, Shikaku sends his son along with Tenten on a mission to Mokuzu Island to replenish supplies.

Hinata’s father Hiashi summons the Hyuga clan to discuss the role they will be playing in the upcoming Fourth Great Ninja War.

Naruto finds an imposter that has been building his reputation by attempting to steal from other people while his friend is also attempting to gain a reputation by "beating" the imposter up so he builds his reputation even further and become a ninja.

Konohamaru is eager to fight alongside his senior ninja in the coming war, but his young age prevents him from being assigned to the battlefield.

Naruto meets two kunoichi ninja named Shizuka and Tokiwa from the Nadeshiko village who are seeking the student of Jiraiya.

While talking with his students, Shino talks about how he and his team got together and became more close as friends and teammates. The story switches to Shino's flashback during the first part of Naruto. They are on a mission assigned by Kurenai in which a Jonin assassin from a neighboring village. Shino gets defeated because of weak taijutsu and descends into depression. He even reveals he was going to abandon the team that helped him because he didn't think he was useful to them. But after his friends get in trouble with the rouge Shino comes back and defeats the rouge.

Tenten remembers when she was little and how she really wanted to become like the legendary Tsunade. She finds out through hard training that she won't be capable of the strength Tsunade has. She also finds out that she won't be suitable to be a medical ninja for her poor chakra control. But at last, she discovers that she has the ability to summon ninja tools, thus creating her own style of fighting.

Given the day off, Sai spends it strolling the village and drawing. He initially encounters three children that he at first finds it difficult to interact with but later realises that two of them remind him of his team-mates Naruto and Sakura. He has several flashbacks of their time together and the bonds they share. In the end he uses the doors of a destroyed house and paints a mural of Team 7 along with Sasuke holding hands.

As Team Asuma considers the impending war, they encounter Kosuke Maruboshi who reminds them of the time that they rescued him while they were still genin. With this, Kosuke retells the tale of the time their fathers saved him during the Invasion of Konoha with their Formation Ino–Shika–Chō. Somewhat rattled by this story, Kosuke reminds them that great shinobi weren't made in a day. As the team contemplates everything, they decide to perfect their own formation, insisting that they'd be fine because they were not alone.

Kiba trains hard to catch up to Naruto, who is now hailed as the hero of the Leaf Village, but with little success. Feeling desperate, Kiba asks Kakashi if he could train him.

As the Leaf ninja’s ship heads toward their final stop for supplies before entering the Land of Lightning, Yamato warns the crew to stay alert for enemies who could mimic both the appearance and chakra of their closest allies.

During his final stop for supplies on an island in the Land of Water, Naruto runs into Akatsuchi and Kurotsuchi of the Hidden Stone, who are on an assignment to deliver a letter from the Tsuchikage addressed to the Mizukage.