The story of the 20-year relationship of the Trappist monk Thomas Merton and Sister Therese Lentfoehr – a published poet, teacher and nun of the Congregation of the Sisters of the Divine Savior in Wisconsin – from their initial contact in 1948 to his death in 1968. Their correspondence included more than 100 letters of Merton to her and more than a dozen extant letters and cards from her to him. Previously unpublished photographs of the two of them are included.