Emily Watson, Hugo Weaving and David Wenham star in Sunshine and Oranges, the true story of Margaret Humphreys, a social worker from Nottingham who uncovered one of the most significant social scandals of recent times - the deportation of thousands of children from the UK to Australia, a practice that continued into the 1970s.

After the screening, which takes place on Wednesday 30 March at the Barbican, there will be a Q&A session with director Jim Loach. The Q&A will be hosted by the Guardian and Observer's Jason Solomons.

This film has a 15 certificate. Watch the trailer

Oranges and Sunshine will open in cinemas throughout the UK on Friday 1 April.