A daughter unravels her father's dark past after his body, missing for 36 years, is found at a horrific crime scene.

未来世界外星黑暗势力突袭地球，上海成为了人类最后的希望。大学生江洋（鹿晗饰）追随女指挥官林澜（舒淇饰）进入了上海堡垒成为一名指挥员。外星势力不断发动猛烈袭击，林澜受命保护击退外星人的秘密武器，江洋和几个好友所在的灰鹰小队则要迎战外星侵略者，保卫人类的最后一战最终在上海打响……