After defeating the evil star, the crystal code warriors Long Yan, Ji Xiu, Ya Qi, Meike and Wu Ma discovered that their long-lost younger siblings had been taken away by mysterious forces. When Meike entered the world of crystal codes, she accidentally fell into the hands of Nubis and turned her into a puppet to work for him. After Long Yan and his friends found out, in order to save their family, they faced the new villain Nubis. This is an adventure about environmental protection, courage and family affection. The crystal code warriors will use love and strength to save the world of crystal codes and protect the peace of their homeland.