After Su Yun, a female anti-Japanese military officer of the Republic of China died on the battlefield, she was reborn as the newly recovered true daughter of the modern wealthy Su family. She faced a completely unfamiliar world with her past life memories.
- **Identity Crisis**: Su Yuan, the fake daughter of the Su family, secretly interfered and caused a "jewel theft" incident when Su Yun first returned, in an attempt to drive her out of the house, showing the undercurrents within the wealthy family.
- **Military Talent**: Su Yun showed amazing talent in the shooting training at the military academy, which attracted the attention of special operations team leader Cheng Yu. The two cooperated tacitly during the military exercises, laying the foundation for their relationship.
- **Science and technology serve the country**: Su Yun combined her previous military experience with modern technology to develop a "tactical prediction system". It was a blockbuster at the military science and technology exhibition, but attracted the covetous attention of foreign forces.
- **Crisis is coming**: Su Yun was kidnapped and awakened her fighting instinct in her previous life at the critical moment of life and death. She teamed up with Cheng Yu who came to the rescue to break out of the encirclement. The two confirmed their feelings for each other in the smoke of gunpowder.
