Olivia Colman and Jessie Buckley let themselves be carried away by a witty, but not brilliant, script and an effective staging, which is not exactly effective. The story is told of a community that one day is surprised by a series of defamatory letters.
Thea Sharrock plays without any discretion with anachronies and uses the past to, as always, explain the present. 'Little Indiscreet Letters' is the clearest demonstration of all of the above (whatever the preceding paragraph means)