Living amongst the coastal Metkayina clan, Jake Sully (Sam Worthington) and his wife, Neytiri (Zoe Saldana), are still struggling to fit into their new environment as well as their new family dynamic after the passing of their son, Neteyam (Jamie Flatters). The boy also left behind his brother, Lo’ak (Britain Dalton), sister Kiri (Sigourney Weaver),…