Oops, a loyal Bernese Mountain Dog, twice risks his life to save toddler Talis, yet is misjudged as a vicious dog by his family. Locked in a storage shed, he accidentally eats rat poison and dies, still worrying about his little human. As a spirit, Oops stays to guard the household. Gradually, surveillance footage and physical evidence reveal the whole truth. Faced with overwhelming guilt, his owners stop shifting blame and take full responsibility for their mistakes. They promote pet‑safety education in Oops’s name. When a fire breaks out, the ghost‑form Oops gives one final warning to protect Talis. Having witnessed his family learn trust, accountability and genuine remorse, Oops peacefully departs at last.
