After discovering he's an immortal "Ajin," Kei Nagai knows he'll be hunted. So he reaches out to the only person he can trust.
As Tosaki takes charge of the government's search for the new Ajin, Kei and Kaito are attacked by thugs who are eager to claim the reward money.
Kei begins to embrace his abilities as an Ajin after being driven off the road by a motorcyclist. Izumi visits Kei's sister to learn about his past.
Izumi fights back against the figure in Eriko's hospital room. After parting ways with Kaito, Kei receives a mysterious invitation.
As Kei suffers through horrific experiments at a government lab, Tanaka urges him to unleash his dark side. Meanwhile, Sato plots a rescue mission.
When Sato begins slaughtering workers at the lab, Kei jumps in to stop him and learns that Ajin have one key vulnerability.
With his job on the line, Tosaki resorts to extreme measures to learn more about Ajin. Sato seizes the public spotlight to set a new plan in motion.
When Sato reveals his gruesome plans, a young Ajin named Ko balks and flees. Kei finds refuge in the countryside and practices summoning his "ghost."
As Sato prepares to launch his attacks, Ko stumbles on Kei's hiding place and begs for help. Tosaki gets a surprise visitor.
Tosaki uncovers new details about the "black ghosts." Meanwhile, Mrs. Yamanaka's neighbors grow suspicious of Kei, and Sato finalizes his plan.
On the day of the promised attacks, a shocking scene unfolds in the city. Sato prepares for a showdown with the elite Special Assault Team.
With the whole nation watching via the live stream, Tosaki deploys a new tactic to stop Sato. In the village, Kei's cover is blown.
Cornered by police, Kei summons his invisible black matter in a desperate bid to escape with Ko. Sato announces the next wave of his war on humanity.
Sato begins his "Second Wave" and targets 15 people for assassination. Kei and Ko realize they'll need outside help and make a proposition.
Kei and Ko get used to life on Tosaki's team and are visited by someone thought to be dead. Sato dons a disguise to prepare for a fateful flight.
Tosaki has come up with a plan to catch Sato, but Kei feels out of place on the team. Meanwhile, Sato moves to the second man on the list.
The U.S. Department of Defense makes a visit. Kaito, still captive, protects his new cellmate Takeshi, who is the target of some curious delinquents.
Almeida and Myers question Tosaki but don't find his answers convincing. The minister is next on Sato's list and the team makes their preparations.
With Tosaki captured, Kei and the remaining team members are forced to alter their plans. Izumi's connection to Tosaki is revealed in a flashback.
Kei and the team try to head off Almeida's car before it can escape into the U.S. Embassy. Meanwhile, Sato prepares for his next assassination.
Kei has one last chance to intercept Sato, but he needs Tosaki to ask for an uncomfortable favor. Sato prepares a secret weapon.
The Anti-Ajin Special Forces start with the upper hand, but Sato turns the tide. Kei and his team head upstairs to make their final preparations.
Blaming himself for the failed plan, Kei quits the team. Flush with weapons, Sato initiates his third wave and invades a military base.
Sato's negotiations with the government break down and the U.S. military is called in. Internal tension in the Ajin group leads to a fallout.
The U.S. military heads in, but Sato is one step ahead of them. Kei returns to the team. Tosaki is approached by Ajin Okuyama, who has a proposition.
Sato may have been caught off guard, but he has one final trick up his sleeve. He begins picking off the team one by one -- and only Kei can stop him.