Clan War: Reach the Dead Drop is an optional mission in Borderlands 2.
"Tector Hodunk has asked you to retrieve a dead drop, which he's left for you out in The Highlands., that details your next move in the ongoing Hodunk/Zaford clan war."
Find the Hodunk family's dead drop in The Highlands
Jimbo and Tector Hodunk have a plan for getting back at the Zafords, and the next step involves reaching a dead drop to receive orders. The dead drop is an ECHO Recorder in The Holy Spirits, upstairs on the mezzanine floor beneath a table.
"You've found the Hodunk dead drop – now it's time for some violence."