Recently, gang members in Los Angeles were brutally killed one by one, and the police department believes that the gang war has begun again. So agent Mike (Danny Glover) was sent to investigate the incident and took the culprits. Unexpectedly, Mike got off to a bad start and was attacked by these murderers and almost died. Murderers can kill people invisible and have the ability to become invisible. It turns out that this is a group of monsters from outer planets that specialize in hunting humans. They can be invisible, have multiple weapons on their bodies, and can use infrared to monitor the accurate location of humans. The FBI also noticed this situation and sent a special operations team to capture these monsters alive for research. However, Mike only had the idea of eliminating the monster and taking revenge on the victims...