After a car accident, magazine editor Lin Wan began to dream about an antique mirror and a strange man in the mirror. When she sought help from psychiatrist Cheng Mo, she discovered that the dream was actually related to Cheng Mo's missing father. What's even weirder is that her body begins to become transparent, and her reflection in the mirror gradually loses control, as if there is another "her" trying to pass through the mirror.
Cheng Mo concealed the truth: his father died mysteriously while studying supernatural mirror channels, and Lin Wan may be the selected "Mirror Messenger" who can connect the two worlds. When Lin Wan touched the antique mirror, her life and Cheng Mo's life were accidentally bound, and the two were forced to face the threat of the mirror world together - a mirror replica who claimed to be Cheng Mo's "brother" was trying to replace Cheng Mo in reality.
From Venice to Tokyo, from Berlin to Rio, the two traced seven mirror nodes scattered around the world and found that each node imprisoned a "container" similar to Lin Wan. Cheng's father's ultimate plan gradually emerged: to use the energy of the seven messengers to open the "Original Gate" and awaken the sleeping ancient existence. And Lin Wan's identity is far more complicated than imagined - she is not an ordinary human being, but a "fragment of human nature" separated from the first messenger Alicia.
When the woman in red trench coat at the seventh node gathered six drops of messenger tears, Lin Wan became the final key. Her body struggled between human nature and messenger energy, and Cheng Mo's identity as a guardian also faced the truth: he was born to control her, but he betrayed the program because of love. The two must reach the limit of their new form to prevent the original door from opening, otherwise the real world will be swallowed by the mirror.
