Heartworm Is a classic survival horror with elements of a psychological thriller. A girl named Sam with cut legs leads a secluded life and does not want to leave her home. From the very beginning, the game hints that due to a difficult childhood, the young woman began to have mental problems. One day she receives a videotape with strange content. After watching the recording, the heroine suddenly wakes up in a completely different place. There she begins to experience a sense of déjà vu.