The two powers collide and illuminate each other. Lu Jinshen, the indifferent CEO in charge of a business empire, lives in a black and white world due to the shadow of his childhood, and is emotionally dissociated, but is only knocked into color by a painting; Lin Wan, a cool campus beauty of C University, part-time original painter, is actually the top Chinese style blogger "Wan Zhong", and is the mistaken daughter of the Jiang family, with the gift of synaesthesia that can transform emotions into colors.
When they first met on the school anniversary, he was amazed by her designs and took her under his wing in the name of cooperation; she competed to raise medical expenses and won the championship, but her vest accidentally broke. In order to reject the family marriage, the two entered into a contract to live together, but as they got along day and night, they gradually fell in love with each other - he was the mysterious nobleman who had supported her for many years, and she was the only light that could cure his numbness of the senses.
From contractual allies to life-and-death lovers, they work together to eliminate the plagiarism crisis, uncover the conspiracy of their life experience, and fight against their business rivals. He uses territory as his employer, and she uses gentleness as a blade, using colors and rules to create a business and love legend that belongs to each other.
Two emotionally disabled strong men, from "I need you" to "I complete you", use love as a torch to illuminate each other's darkness and also light up the long years to come.