Anguish is a horror-thriller film that explores mental illness, grief, and the supernatural. The movie follows the story of Tess, a new girl in a quiet town who suffers from psychosis. Her mother takes her to a therapist, who prescribes medication to help her deal with her condition. However, Tess stops taking her medication, and her hallucinations begin to worsen.
One day, Tess stumbles upon a shrine for Lucy, a hit and run victim who died in the town. Tess starts seeing visions of Lucy and questioning her sanity once again. However, things take a turn when Lucy's spirit possesses Tess's mind and soul, leaving both mother and daughter unaware of what to do next.
Despite their skepticism, they seek solace in religion and end up visiting Lucy's mother, Sarah, who has been battling depression and loneliness since Lucy's death. Together they hope to find some closure, but things take an unexpected and terrifying turn as Tess's condition worsens, leaving her and her family in grave danger.
The movie is a haunting exploration of the thin line between reality and hallucinations, and the constant battle with mental illness. It tells a deep and intense story of a young girl trying to fight her demons and find solace in an unlikely place. The plot twists and turns, keeping audiences hooked till the very end.