Burying The Mother In-Law

Suggestions:

House of Setnakht Walking Down the Place of a Skull Cave of the Living Dead Plan 9 Urotsukidōji IV: Inferno Road

Mark should be looking forward to his stag do. Instead he's in a forest at 4 in the morning, helping his best friend, Sam dig a grave for their mother-in-law. A corpse will become the least of their worries, as the night has only just begun.