1000 Ways To Die - Acid Washed

Demetrius is a crooked cemetery owner who hatches a plan to increase profit for his business: Demetrius will dig up the plots and dissolve the dead bodies in hydrofluoric acid, that way he can resell the plots as well as the caskets. Demetrius hires two ex-cons to help him do the dirty work, but they get freaked out and ditch Demetrius after he demands them to dump the body of a woman into the vat of hydrofluoric acid. Deciding to do it himself, Demetrius pulls the body out and drags it to the vat. However, he trips up and accidentally falls into it backwards. Despite Demetrius immediately hopping back out of the vat afterwards, the acid enters inside of his body and burns him from the inside out.