Every Clue Leads Somewhere

After Lin Shen, the male protagonist, unexpectedly discovers traces left behind by his old friend Su Wan, who vanished without a trace, while tidying up his old family home, he gradually uncovers the truth behind her sudden departure seven years earlier. As he follows the clues, he looks back on their youth and confronts their regrets, secrets, and troubled family backgrounds. In the end, he makes peace with himself and comes to understand the deep affection and painful circumstances Su Wan left hidden in those traces.

Core theme: Every parting and every feeling of love in this world leaves traces. Time will eventually soothe regret, but the care hidden in the details will never disappear.