In her tumultuous 20s, Reba grapples with the repulsive manifestation of her deepest insecurities: a relentless mud monster, and she must embark on a transformative journey to learn to love and accept this haunting inner presence, ultimately healing herself in the process. Told as a dark comedy, “Sludge” uses horror and humour to dissect what we’re all really afraid of: Ourselves.