A brutal double homicide shakes two neighboring families in the remote Scottish countryside. Rather than centering on the investigative details, One of Us delves into the emotional aftermath faced by the bereaved relatives. As they navigate their grief, the series unveils the sinister repercussions that loom over their lives, threatening to unravel the very fabric of their existence. Tension rises as secrets and tensions surface, showcasing the profound impact of violence on community and family bonds.