After 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 William Willoughby, the town's revered chief of police. When his second-in-command Officer 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.

Donald Crowhurst, an amateur sailor competes in the 1968 Sunday Times Golden Globe Race in the hope of becoming the first person in history to single-handedly circumnavigate the globe without stopping. With an unfinished boat and his business and house on the line, Donald leaves his wife, Clare and their children behind, hesitantly embarking on an adventure on his boat the Teignmouth Electron.

In 1800s England, a well meaning but selfish young woman meddles in the love lives of her friends.