With clues pointing to Poland, Rolf and Claire leave to find a crucial witness in possession of a video. Claire is concerned that Rolf seems more focused on his daughter's case than with the murder they are currently investigating.

Rolf, Claire and Karol don't get much help from the nuns as they try to find answers in a convent in Poland. Rolf then discovers a connection to the case that points to a fertility clinic in Paris.