Gong Muyao, the top mercenary of the 22nd century, was betrayed and killed by her teammates in her last mission. However, she was accidentally bound to the No. 66 Quick-travel system and was forced to embark on a journey of "collecting BE fragments of abusive literature" - the core boss of the world was blackened due to the scattering of soul fragments. Only the ultimate heartbreaking impact can peel off the fragments and prevent the collapse of time and space.
From an undercover female general in the enemy country on the battlefield of cold weapons to a cheongsam agent in Shanghai during the Republic of China, she traveled through different time and space, playing various identities with superb acting skills, and gained the ultimate trust of the boss step by step. In the ancient plot of Machiavellianism, she made the cold-faced emperor Xiao Jin commit all his life to the couple, but revealed the truth about the undercover on the night he ascended the throne, leaving him alone for forty years; in the old dream of the Republic of China, she transformed into a Paramount dancer and asked the iron-blooded warlord Lu Chenyuan to build a garden to prepare for the wedding. In the end, she used the military deployment map as a gift and decided to betray on the wedding day.
The upgraded System 66 has become her "strongest assist", scanning the enemy's situation in real time and complaining about male and female partners, but she also secretly feels heartbroken when she witnesses the broken love again and again. Gong Muyao always adheres to the mercenary code, never being emotional or soft-hearted, walking on the edge between deception and sincerity, using the cruelest betrayal to complete the most dangerous mission.
When more darkened bosses such as the interstellar mind-reading marshal and the immortal ascetic lord appear on the scene, what kind of love-hate entanglements will arise in this rescue game at the cost of heartbreak? Each world ends with BE for all members, and each fragment is filled with extreme affection and utter betrayal. Who is the final prey in this doomed and sad journey through time?