Even as Raj and Daniel have fought in the past, their shared history draws them back together. Though Daniel doesn’t know Ruby very well, her connection to Klara represents an unbreakable bond that holds them together. Additionally, the fact that Ruby has taken up Klara’s acts demonstrates the legacy that Klara has left behind. Ruby not only carries on Klara’s life through her genes, but she also builds on her mother’s work. Raj acknowledges this in saying that Ruby keeps Klara’s memory alive.