Season 1

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.