Despite his grief and sorrow, Call continues with his mission on autopilot, making sure that he’s fulfilling his obligations to the men he dragged north with him on what proved to be an unfulfilling mission (or at least, without Gus by his side, it has proved to be unfulfilling for Call). Newt, on the other hand, has grown up over the course of the journey and is now ready to take his place as Call’s successor in the company.