Posing as a boutique customer Robin learns that Lula was planning to leave Evan before Cormoran shows her the CCTV footage, which appears to show two different men. Guy Sole tells them that one is wearing his creation and that Lula was looking for her birth father, a Nigerian student, recently deceased. Lady Bristow also alerts them to Landry's disapproval of her adopting Lula. Cormoran traces Lula's natural brother Josiah, the sole beneficiary to her missing will, who feels guilty that, although he was on the CCTV footage the night Lula died his reluctance to actually meet her caused her death. Cormoran finally discovers Lula's will, leading him to unmask the killer, helped by Robin, who also agrees to work for him on a permanent basis.
—don @ minifie-1