Fifteen years ago, Danny Rand (Finn Jones) was on a private plane with his parents en route to a city in China. The plane went down in the mountains where Danny was the sole survivor. He was rescued by monks from the reclusive ancient city of K'un-Lun, a place that was accessible only once every 15 years. Today, Danny is in New York and trying to recapture his old life and join the Rand Corporation - the company that his father and Harold Meachum established. Though Harold has since died, his children - who were also Danny's childhood friends - now run the company. Both Ward (Tom Pelphrey) and Joy (Jessica Stroup) are doubtful that this young martial artist is really Danny Rand.
Danny is aided in his efforts to reclaim his birthright by Colleen Wing (Jessica Henwick), the master of a local dojo who occasionally fights in cage matches. Then there is Clare Temple (Rosario Dawson), who joined Colleen's dojo on account of all the recent trouble she had encounter with Daredevil, Jessica Jones, and Luke Cage. There is also Jeri Hogarth (Carrie-Anne Moss), Jessica Jones' lawyer, who manages Danny's legal affairs and provides sound - though usually ignored - advice.
Though the story arc is interesting and the villains are formidable, Danny is a sad excuse for a protagonist. The trope about martial artists - especially the ones who could achieve the Iron Fist - is that they are even-tempered and unflappable. Self-control and discipline are requirements. However, Danny is a hothead, a guy with a short-fuse and no ability to stop and think. The character made no sense. He's this walking contradiction and it doesn't work. Often, he does really stupid things because he can't control his emotions.
Some parts were particularly irksome. In fact, after a couple, I abandoned the show completely for 2 years. First, Danny is in a board meeting at the Rand Corp and argues that a drug should be sold at cost. This is obviously stupid but not one of the board members is able to explain why beyond "This is how business is done." Yes, corporations are evil. Mwhahahahaha. Then there was Colleen in the cage matches. She isn't Wonder Woman or Captain Marvel, just an ordinary woman with extensive martial arts training. If she meets some random goons in an alley, I have no problem excepting her pounding them to a pulp. However, when she enters a cage match against two experienced fighters who tower over her and outweigh her by 50 to 80 pounds each, that's too much.
Easily the weakest of the Netflix MCU shows. However, it does provide the foundation for the team-up series, The Defenders, in which Daredevil, Jessica Jones, Luke Cage, and Iron Fist combine forces against the Hand.