Focus Features has revealed the official trailer for the horror The Little Stranger [TLSTR] set during the summer of 1948. Domhnall Gleeson [DGLEE] stars as a country doctor who returns to the great house where he grew up as the son of a housemaid. The mother, son and daughter that inhabit the house are haunted by something ominous. The doctor uncovers that the family’s story is actually entwined with his own. Directed by Lenny Abrahamson, The Little Stranger opens wide on August 31st.