The film tells the real-life story of how, whilst researching the Bon Secours Mother and Baby Home in Tuam, County Galway, for a local historical society, history enthusiast Catherine Corless uncovered the devastating possibility that as many as 796 children had been buried in unmarked graves on the property.

The discovery began a campaign for justice for both victims and survivors of the home that has had a lasting impact on Ireland today.

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