Paralyzedbyhisfearofdying,MilesGrissomisofferingrewardmoneytothefirstpersonwhocanshowhimaghost,anangel,ademon-anythingtoprovetohimthatwegoonafterourdeaths.Henarrowstheresponsesdowntothreeviablecandidates-ascientist,amedium,andaworldlyentrepreneur.Andalongwithhisprotectivemother,heembarksonanadventurethroughLosAngelesthatwillspiralintoanunthinkablenightmare.