Cold open at Goldmoss Post-house during a salt-wind evening, before Soyeon becomes the only literate clerk.

The ordinary relay process is shown before the ghost-mail rule breaks it.

A ghost-stamped envelope arrives before its origin date.

Soyeon names the ghost-mail rule; Jang refuses to accept it.

The relay stamp enforces the refusal penalty.

The post-house records the refusal as if a death is just paperwork.

Months later, Soyeon runs the post-house alone.

Mira brings food and pressure from home, grounding Soyeon's family stakes.

Mira pushes Soyeon to stop sacrificing herself; Soyeon cannot.

The magistrate's locked pouch arrives among ordinary mail, and Soyeon's illegal habit is implied through concrete routine.

A ghost-mail event interrupts Soyeon's routine.

The ghost-stamped envelope arrives addressed to Soyeon herself.

Soyeon verifies the impossible origin date and her own seal-pressure.

Soyeon opens the letter and reads the warning.

Soyeon checks whether the letter could be a prank and finds proof against comfort.

Soyeon processes the impossible warning in her own practical, darkly comic way.

Soyeon considers answering or fleeing and rejects both because of relay law and family debt.

Soyeon chooses to burn the letter rather than keep proof that could condemn her.

The letter burns, but the ghost-stamp does not.

The magistrate's pouch waits in the drawer, making the warning immediately relevant.

Soyeon justifies checking the pouch because survival has practical demands.

Soyeon opens the pouch enough to check its contents without obvious damage.

Soyeon confirms the pouch is suspicious but does not yet learn the larger conspiracy.

The chapter ends on the unburned ghost-seal and the relay ledger's recorded acceptance.