The wife said she was working overtime at the company, but a young man met by chance at the Great Wall held her photo and introduced his "wife" to Shen Ze. A concentric lock uncovered the lie of a three-year marriage; and the person who had been helping to hide it turned out to be his good friend of ten years. Shen Ze agreed to go down the mountain to eat with the young man, wanting to see how those two most familiar people would explain when they saw him. When trust was completely shattered, Shen Ze decided to end the marriage and take back the core technology he had provided gratuitously for years. As evidence surfaced, a profit scam hidden behind the relationship also gradually came to light. Facing the late-arriving remorse, can he bid farewell to the past and find his own person again