With her marriage on the rocks, Hsiao-yu decides to take up a colleague's suggestion to try Stable, an AI assistant.
Ta-kai's book proposal is rejected, but his agent has a different proposition. Hsiao-yu tries to repair their relationship through Stable.
Hsiao-yu and Ta-kai discover unwelcome secrets about each other. Meanwhile, Hsiao-yu’s younger sister comes and stay with them.
Ta-kai struggles to publish his new book, while Hsiao-yu leaves and goes on a business trip to Vietnam.
Ta-kai receives some good news and decides to celebrate, leading Hsiao-yu to discover a heartbreaking truth.
Ta-kai tries to make up for his mistake with Stable's help, only to learn about the other life Hsiao-yu is living in Vietnam.
Following a traumatic event, Yu-ching, a therapist, reluctantly meets with a new patient and discovers eerie similarities between Shadow and herself.
As her professional and personal lives unravel, Yu-ching replays Shadow's memory during a session and discovers yet another disturbing fact.
While Yu-ching learns an unpleasant truth about her daughter, Shadow’s past continues to shed light on the women’s painful memories.
Yu-ching and Shadow replay Yu-ching's memory for the first time, and she must now prevent her daughter from taking the same path.
Yu-ching and Shadow attempt to understand the trauma of their relationships and how they can take steps to heal.
The truth behind Yu-ching and Shadow’s births – and their connection – is finally revealed, and they have to decide if they can accept it.
After discovering her newborn son may grow up to be a criminal, Siang-Syuan uses a big data “Perfect Prediction” machine to shed light on the future.
Siang-Syuan convinces her skeptical husband Bo-en to try out the prediction machine for himself.
Determined to reshape Hsiao-hsu’s future, Siang-syuan and Bo-en agree to raise their son by themselves at home.
Hsiao-hsu's actions cause a rift between his parents. Meanwhile, Bo-en discovers the identity of his son's future victim.
As their predictions prove increasingly accurate, Siang-syuan and Bo-en must make a difficult decision.
Siang-syuan discovers the truth and takes action to save her family.
