Girl from a letter

1956. The Ivi Jenkins, who was pregnant from his lover, finds himself in one of the monastery shelters for unmarried mothers, sadly known in the UK and Ireland. Here, young women are tortured and humiliated, sealed with hunger and hard work, and their children are taken away and sold for adoption by rich childless couples ...
Our days. The young ambitious journalist Samantha Harper dreams of a material that would be a breakthrough in her career - and accidentally stumbled upon a letter signed by a certain Ivy. In this letter, the unfortunate begs to rescue her from the hellish “shelter” until it is too late.
What happened? Have Ivy managed to escape?
Samantha begins the investigation of this tragic story - and suddenly notices an extraordinary number of strange deaths that have comprehended people associated with the “shelter.”
What is this - cleansing witnesses? Or revenge for past sins?
Samantha understands that she and her relatives can also threaten the danger