I really enjoy Kevin Costner, and if you are a Costner fan, then you will want to watch this movie. However, I cannot say that it is a good movie; in fact, it is probably very close to being a bad movie.
Costner’s character is an aging CIA hit man suffering from terminal brain cancer. After the diagnosis, he retires—or perhaps more accurately, is retired—and returns to Paris where he presently lives and fortunately, for the sake of the plot, his divorced wife and angry teenage daughter live. He reaches out to his wife, informs her that he only has a few months to live and assures her that he really has retired from the agency. Almost immediately, he is contacted by another CIA agent, who is further up on the CIA assassin chain. In exchange for one more mission (to kill an arms dealer named Wolf), she promises him an experimental drug that may or may not cure him. He accepts. And that’s when all the improbabilities and ridiculousness begins. Instead of focusing on the mission, he volunteers to stay with his daughter while his wife goes to London on work-related business for three days (hence the title of the movie). Fortunately for Costner, it just so happens that all the bad guys live in Paris, too. Complications ensue, forcing Costner to juggle the tasks of parenting his alienated daughter and the tasks of finding and killing the target. The plot falls into absurdity and incoherency. The movie cannot decide whether it wants to be a comedy or a serious action movie.