A historical drama set in 1950s Britain. Dora Szumski, 30, is an Englishwoman married to a Polish immigrant, Eryk, a former Polish Army officer, who is left with no choice by the post-war balance of power, condemned to die in his homeland or emigrate. After an unsuccessful suicide attempt, Eryk stays in Mabledon Park, a psychiatric hospital designed for former Polish soldiers suffering from war trauma. Erik's illness resulting from a past that has been haunted and concealed from his wife not only becomes a barrier to the couple's future, but also a threat to Erik's life. Dora decides to find out what the secret of her husband's illness is.