Stagnant is a window into the life of Daniel, an introvert with agoraphobia, who spends his days caring for his family of plants while trying to cope with his anxieties towards the outside world.

An affable caregiver watches over a mysteriously ill young woman. As the two develop their relationship with one another, strange occurrences unravel a far more sinister hand underneath their façades.

While wandering Burien searching for her lost parents, Lilly stumbles upon a secret society of children much like herself who have lost their parents and now live under the chaotic rule of a girl who calls herself The Countess. Lilly soon discovers that the children of the society believe that she is part of a prophecy that foretold the coming of herself and her stuffed teddy bear, Mr. Snuggles.