After successfully completing his secret mission after nine years of dormancy, the man Sheng Lin finally embarked on his return journey, fully looking forward to reuniting with his wife Liu Ruyan and returning to the long-lost stable life. His wife has already prepared a table full of his favorite meals and is waiting tenderly for him to return home. It seems like a warm and happy family reunion, but it hides a fatal crisis. At the dinner table, Sheng Lin accidentally caught a glimpse of his wife's left index finger tapping regularly on the table. It was not an accidental act, but the Morse code that only the two of them knew. The short message instantly made his body go cold. There were ten listening devices hidden in the house, urging him to flee immediately.
