After returning to China, Qi Mu founded a company and developed a prototype machine for amnesia.Near the end of development, he fell into a coma due to post-traumatic stress disorder, and a screenwriter was required to write a memory script to test the prototype.After Cheng Siqi completed the script, Qi Mu accidentally entered the simulated memory and returned to Ningzhou University, where he met classmates with different personalities, including Su Chengcheng, who was similar to "Cheng Siqi".The two gradually fell in love with each other and faced everything in their memories together.In the end, Qi Mu found Su Chengcheng in the real world, embraced each other affectionately, and his memory was lit up like stars.Not only did he find his love with Su Chengcheng, he also regained his deep friendship with his friends.