Cash-strapped Seven flunks a crash course in professional killing and opens a hair salon as a cover. First assignment: cut off a bride's hair.
Meow, the Chief of Cats, hires Seven to wipe out an old flame. But after hearing a star-crossed interspecies love story, he attempts to make peace.
It's scissors versus sword as Seven faces off against Thirteen. He's no match for his deft opponent — so he transforms into half a durian.
The Island Purity Society summons Seven to kill an underwear collector, but Seven encourages everyone to embrace their differences.
Seven shape-shifts into a cardboard box and contends with a stabby, swindling fruit vendor whose grandson got a bad haircut from Seven's shears.
Cola, Seven's next target, enlists his help in checking off a bucket list of mischievous deeds, but the client who hired Seven has a secret.
On behalf of the underfunded coast guard, Seven agrees to kill the captain of a submarine that's threatening the island.
Hired by a woman to assassinate her husband, Seven confronts — and bonds with — impervious bodyguard He Dachun, who makes a heartrending sacrifice.
Seven teams up with islanders to stop the Prince of Stan from extracting an energy rock and destroying the island, but Stan's technology is too robust.
Thirteen comes to Seven's aid in a heated clash with the Prince of Stan. Seven recalls his past as a prominent figure in Xuanwu.
Thirteen's past comes to light: as the Plum Blossom Swordsman's estranged daughter, she joined the world of killers after a tragic incident.
Da Bao reflects on Da Fei, who once faced King Pheasant in a fight so that his son Xiao Fei could become a fighter chicken instead of a dinner chicken.
Seeking to avenge his friend, Da Bao throws his hat in the ring for a fight against King Pheasant, but in his current state he's going to need a boost.
Determined to teach humans a lesson, Da Bao gives King Pheasant a taste of his own medicine and liberates the chickens from their coops.
He Dachun enlists Seven's help defeating a group of assassins newly arrived on the island. A tin of hair wax saves the day.
Thirteen seeks to deliver on her promise and destroy Seven, but she must first overcome an assassin's worst enemy — emotion.
Mad Bark is outplayed by a new killer: a guitar-strumming dog whose acoustic "Magical Sound of Sadness" strikes a lethal chord.
With Seven's hands tied by an invisible lizard assassin, Cola convinces the Prince of Stan to take her to Stan.
Captain Jack returns to settle scores with Seven, who summons the powers of the Thousand Demon Daggers.
King Pheasant, now a Special Soldier for Stan, kidnaps Seven and Xiao Fei and sets out to kill Da Bao, but a ghost from the past returns.
Seven prepares for a date with Thirteen. When he falls for a trap, he finds a way out of the bind by channeling his tonsorial qi.
Back in the past, Seven joins the Shadow Killers, faces off against Redtooth and sets out in search of the Thousand Demon Daggers.
Redtooth arrives on the Island to confront Chairman Jiang, who activates the powerful White Lily Blossom with Seven's help.
Seven reconnects with his old self, but to defeat the Blood Demon, he must harness the power of Xuanwu martial arts — and the barber within.