Three Lives, Three Worlds: The Step Gives Rise to the Lotus. The Desire of the Gods

What is the price of trying to change the predestined?
Free from the regrets of the past, the young princess Cheng Yu looks to the future for the first time — and sees Lian Sun there. She seeks to meet him, but he forbids himself even to think about her. He knows: there is no future for them. The bond between a god and a mortal will bring only suffering.
Meanwhile, war breaks out on the border. Lian Sun, deciding to disappear from Cheng Yu's life, heads to the front lines. The princess is left with no choice but to fulfill her duty: she agrees to marry a foreign prince to forge the necessary alliance for her country.
However, neither Cheng Yu nor Lian Sun suspect that everything happening to them is part of a trial that began thousands of years ago…