Lin Yuan, a useless medical student who failed the postgraduate entrance examination, was despised by his tutor, and abandoned by his girlfriend, returned to his freshman year after a sudden death. Faced with this familiar yet unfamiliar starting point, he vowed to rewrite everything. Relying on his past life memories and the incredible "medical simulation system", he rose to prominence in scientific research, competitions, clinical practice, and the capital market, and turned from a scumbag into an academic legend.