In the 1920s, a scandal shakes an English seaside town in this mystery comedy inspired by a true story. WICKED LITTLE LETTERS revolves around conservative Edith Swan (Olivia Colman) and lively Irish immigrant Rose Gooding (Jessie Buckley). When Edith and other locals start receiving crude anonymous letters, Rose becomes the prime suspect, sparking a national scandal and a trial. However, the women of the town, led by Police Officer Gladys Moss (Anjana Vasan), have doubts about Rose’s guilt and take it upon themselves to investigate the case.