18 Your covenant with death will be annulled; your agreement with the realm of the dead will not stand. When the overwhelming scourge sweeps by, you will be beaten down by it.

Read Isaiah 28:18 Using Other Translations

And your covenant with death shall be disannulled, and your agreement with hell shall not stand; when the overflowing scourge shall pass through, then ye shall be trodden down by it.
Then your covenant with death will be annulled, and your agreement with Sheol will not stand; when the overwhelming scourge passes through, you will be beaten down by it.
I will cancel the bargain you made to cheat death, and I will overturn your deal to dodge the grave. When the terrible enemy sweeps through, you will be trampled into the ground.