Good start, long stretch and fail miserably

Rating: 4/10 (22 November 2014)

The main plot line is interestingly a fallacy. Throughout the movie, there is some philosophical gibberish buffered to the viewer in order to anchor the main plot-line.
Anyhow, it starts well with Lucy getting forced to do a deal for a "boyfriend". Johansson is good at simulating a terrified woman at the prospect of getting killed by Korean criminals.
After this good part (like 15-20 minutes in the movie), it all goes to sh*t. The movie doesn't make sense anymore : "Let's shoot guns and kill everyone in the path of Lucy!". You get a looong stretch. Lucy lose all empathy, there is no more character development. It all gets boring seemingly fast. Only good thing : some specials effects are not that bad.
Throughout the movie, she gets to unlocked bit by bit the capacities of her brain. The writers just give Lucy whatever powers comes to their minds ... Like controlling signals, telekinesis, mind reading, mind control, time travel (wtf?) or even synthesis.
If you've got 1h something to lose, that a good movie for it. Otherwise, no point in watching it ...