Zhang Jing was born to be able to see the red lines of marriage in the world, but her own red lines were dim and unclear. When she met Ma Zhan, she was shocked to find that all the red lines around his body were broken, and he was the only exception. However, when she came closer, the red thread hanging on her wrist for twenty-seven years suddenly flew towards his chest, entwining their fates. Is this sudden connection redemption, a conspiracy, or the terrible truth that all ties in his past have been broken?