Indesperatedebttotheirvolatiledrugdealer,bestfriendsDeniseandJohnnyagreetoasketchyjobtopayofftheirlasthit-breakingintoadecrepitstashhousetostealabagofmysteriousdrugs.Butwhilstgettingintothehousemaybeeasy,escapeprovesmoretroublesome,asthepairfindthemselvestrappedin sidewithaderangedfiend.Withnowayoutandnotonetomissanopportunity,Johnnysmokesthenewdrugandpromptlytravelsintothepast,triggeringalarmingneweventsinthefuture.Separatedthroughtime,Deniseisleftalonetoconfrontherpast,theirdealerKane'srealidentity,andherveryownexistence.