The protagonist is bound to a heaven-defying system that claims to be able to "turn into an immortal with one click", but an accident occurs during activation - 99% of the system's functions are permanently locked, leaving only the most basic "Tiandao anomaly monitoring" module. The protagonist cannot directly obtain power, but he can always know in advance where treasures of heaven and earth will appear, secret realms will open, strong men will fall... And even "Tiandao BUG".