29-Year-old Tian Cong committed suicide by taking pills in a rental house, but was accidentally brought back by a silver bracelet to that fateful snowy night when he was 18 years old.
He is the new psychology teacher "Teacher Gu", and he is also the future Tian Cong who is lying in the ICU nine years later and relying on a ventilator to survive. He wants to prevent his 18-year-old self from being framed, bullied, and devoured by despair—because every intervention in the past accelerates the physical demise of the future.
When Teacher Gu's fingertips began to become frosty and his body gradually became transparent, and when the heartbeat of another time and space came from the silver bracelet, Tian Cong finally understood: the person who desperately saved him was himself in the future; and what he had to fight against was a destiny filled with despair.
"Stay alive." This was Teacher Gu's last whisper before disappearing.
——But when the life of the redeemer begins to count down, how should the saved person face this cruel truth?
