An unexpected encounter is destined to be an extraordinary entanglement. Destined to meet again, resolve all disputes. If you don't leave me in this life, you will never abandon me. Revealing what is the most beautiful love... Yin Han, who was raised by a single mother since childhood, has a cold and aloof personality. When his mother was critically ill, he returned to China. At his mother's request, he returned to his biological father, Yin Tiancheng, the president of Yin Group, the largest enterprise in Taiwan. Yin Tiancheng, who had been childless for half his life, felt guilty about Yin Han's mother and son, so he handed over full power of the Yin family to Yin Han. Two years after taking over Yin's business, Yin Han made Yin's business famous. After a company acquisition celebration, Yin Han met the clean and beautiful Xiao Ran. Xiao Ran caught the eyes of Yin Han, who was gay, at first sight. Later I found out that it was Xiao Ran, the young owner of the acquired decoration company 'Xiao Ran Yige', who was also the chief designer of the company. Xiao Ran, who had a working relationship, always ignored Yin Han. At another celebration party, Yin Han rescued Xiao Ran who was drugged, and the two had a relationship. Xiao Ran, who has normal sexual orientation, cannot accept it and goes abroad. Five years later, the two met again...