A widowed fisherwoman, travelling alone through snowbound northern Minnesota, interrupts the kidnapping of a teenage girl. Hours from the nearest town and with no phone service, she realizes that she is the young girl's only hope.
Bob Muldoon and Ruth Guthrie, an impassioned young outlaw couple on an extended crime spree, are finally apprehended by lawmen after a shootout in the Texas hills. Although Ruth wounds a local officer, Bob takes the blame. But four years later, Bob escapes from prison and sets out to find Ruth and their daughter, born during his incarceration.
After seven months have passed without a culprit in her daughter's murder case, Mildred Hayes makes a bold move, painting three signs leading into her town with a controversial message directed at Bill Willoughby, the town's revered chief of police. When his second-in-command Officer Jason Dixon, an immature mother's boy with a penchant for violence, gets involved, the battle between Mildred and Ebbing's law enforcement is only exacerbated.