Mu Xiao, a 28-year-old top genius in quantum physics, accidentally traveled through time after an explosion in a national laboratory, and woke up as the father of a cute three-year-old baby! Bite! The strongest daddy development system has been successfully bound! Novice tasks: change diapers, prepare milk powder, and put the baby to sleep within 24 hours! Mission failed: deprived of scientific research qualifications! Mu Xiao, whose life is scientific research, is forced to compromise, only to discover that his cute son Xiao Tao is actually a natural academic master who can memorize the top 50 pi numbers, and he has a shocking secret hidden in him! The mentor I respected in the past turned out to be a careerist who created explosions and experimented on children. The mysterious system, time and space energy, and the conspiracy of the Shadow Pavilion are intertwined... When a high-school dad meets a cute genius child, he leads the baby to counterattack while solving the time and space conspiracy. The road to scientific research and the father's road are both complicated! See how Mu Xiao uses physical formulas to raise children, uses the power of time and space to protect his cubs, and goes from being a down-and-out rental house dad to a time and space guardian who protects the world, and brings home cute babies and beauties!