Swimming the English Channel is widely recognised to be one of the toughest long distance challenges. In 1927, a Brighton-born swimmer became the first British woman to achieve this goal and her fight for recognition is celebrated in this engaging new biopic.
Mercedes Gleitze faces challenges in and out of the water as she contends with the patriarchal attitudes of 1920s England. Her achievements are questioned when a rival, Edith Gade, claims that she has also completed the Channel swim.
After media attacks, Gleitze is forced to undertake another swim to safeguard her sporting reputation.