25-year-old Lucy () is an American citizen who lives and works in Taipei City. She deceived her boyfriend, reduced transport of drugs "drug mules", and all this was behind Mr. Zhang is Korean (), he was a drug dealer and gang Gangster. Once, Lucy gave Mr. Zhang a box containing the new drug CPH4 at a high price. Lucy witnessed the murder of her boyfriend, she was also imprisoned afterwards, and CPH4 was surgically sewn into her abdomen. Lucy and three other drug mules are going to ship the drugs to Europe.
However, Lucy was kicked and injured in the abdomen, and the drug package broke and penetrated into her body's organs and blood. However, instead of dying, Lucy found that her physical stamina and intelligence had been rapidly improved under the action of drugs, and thus possessed incredible superpowers such as telepathy, telepathy, and spiritual space-time shuttle, and she was able to control and let her I can't feel the pain. She became an out-and-out superwoman.
After easily killing the kidnapper and escaping, Lucy went to the hospital to take out the drug bag from her body. From the doctor's mouth, Lucy learned the principle and side effects of the drug. Feeling her ability is endlessly powerful, Lucy returned to Mr. Zhang's hotel, grabbed him, killed the bodyguard, and obtained information about the location of the other three poison mules from Mr. Zhang's brain. In order to learn more about the drugs in her body, Lucy contacted Professor Samuel Norman (), who may hold the key to preventing Lucy from being killed by drugs.
Lucy flew to Paris, contact your local one called Pierre Del Rio () of the police, to help her find the whereabouts of the other three bags CPH4. On the plane, Lucy took a sip of champagne, but her body deteriorated drastically under the action of the drug, and the only way to save her life was to take more CPH4. At the same time, Lucy used superpowers to remotely control a group of armed police and Mr. Zhang’s gang members.
With the help of Del Rio, Lucy found the rest of CPH4. In Professor Norman's laboratory, Lucy confided her insights about time and life, and claimed that it was human nature that distorted people's perception of the world. In the end, the remaining three packets of CPH4 were also injected into Lucy's body. A black substance transformed into her body and dispersed throughout the laboratory, eventually forming an invisible, invisible next-generation supercomputer. She traveled through time and space to go back to the past, talking to the oldest ancestor of mankind.
At this moment, Mr. Zhang and his hands came down to the laboratory and put a gun against Lucy's head. He pressed the trigger, but at this time Lucy's superpower reached 100% and disappeared instantly. Lucy's voice explained all this: everything in the world is one, and existence can only be proven through time.
Lucy disappeared, leaving only her clothes and a black supercomputer. At this time Del Rio rushed to the laboratory and shot Mr. Zhang to death. The black computer eventually dissolved into ashes, but Professor Norman took out a black, huge flash disk from it. Del Rio received a text message on his cell phone, "I'm everywhere" from Lucy. At the end of the movie, Lucy's voice-over sounded: "Life was given to us 1 billion years ago. Now you know what you can do with it."
