After being humiliated by his girlfriend Nina and spoiled rich kid Zack, deliveryman Landon activates the Profit System. By a twist of fate, he marries Serena, the unconscious, very overweight daughter of River City's richest family. With the system's help, Landon wakes her, makes a fortune through antique appraisal and stock trading, and takes down his enemies one by one. Starting from nothing, he rises to become a global tycoon and gains both love and wealth.