Although Xiong Er, who is a bit lazy and greedy, always makes mistakes, he dreams of becoming a hero in his heart, so as to gain recognition from everyone, especially his brother Xiong Da. The fall of an alien pronucleus broke the peace of Gou Xiong Ridge. Xiong Er accidentally merged with the alien pronucleus and became a bear with alien wisdom and energy! What followed was the snatch of the "alien" Abu. In order to take back the pronucleus, Abu deliberately created trouble and made Xiong Er deserted by his friends and relatives. Just when Abu was about to succeed, the attack of a mysterious high-tech army completely disrupted the plan, causing the Xiong Qiang Group and even the entire earth to be in great danger. What is Abu's hidden identity and the real purpose of coming to Earth? What is the story behind the mysterious high-tech army? Can the self-destructive Xiong Er cheer up and realize his heroic dream? Can they save the earth from crisis?