This is a story about time travel, but it is different from ordinary time travel. Chen Siyu is a female college student at an ordinary university. Her husband is a member of the Luoling family. The two met romantically during college and got married despite resistance. Unexpectedly, when Siyu was pregnant and about to give birth, she encountered a premeditated car accident. After Siyu was rescued, she died of excessive blood loss during labor because she was unwilling to abort the child to gain a 15% chance of survival. But by chance, he was born on the same day as his own child in reality. Facing her own children, her husband who re-entered the world in order to find out the truth about the car accident, and Ji Yuanshu who directed the tragedy, where should Siyu go?