question..help

so im sitting on a shit load of bottled beer that i made last year, my roommate ruined it by putting the heater on it for way to long (apt was cold as hell). used abby yeast...which gave it a bit of a burning taste...its also low on alchol since the yest prolly died when it reached 98 degrees in the primary.

so my question is, do you think repitching, adding some more sugar will help, or is it a lost cause. it smell great. was my first attempt at doing a partial all grain triple.

so if it is a good idea, how would i go about doing this...disolving some surgar in hot water, add to primary , add new yeast? forgive my grammer, im kinda drunks.