The plane crash took away Lu Zhiyuan, who had been secretly in love for ten years, and Jiangyu's world completely collapsed. After he discovered it was a premeditated murder. For revenge, he is willing to fall into the darkness.
He found an unsent love letter in the old house they shared - it turns out that the most painful regret is that the two-way secret love always stays in the unspoken moment.
Intention: It turns out that the most painful thing is never death, but the unspoken love that forever loses the chance to arrive.