Earth engineer Qin Qian accidentally traveled through time under the brilliant fireworks and stepped into a strange ancient dynasty full of dangers and strict order.
She dealt with the turbulent feuds in the prince's mansion and the intrigues of the court, using modern engineering technology as a blade to break through the dilemmas of this era. She opened fields, developed water conservancy, and passed on skills, just to fulfill a simple belief - to feed and clothe the people of the world.
As she gradually took root here and found her loved one, a way back to the modern world unexpectedly appeared. While finding the way, she also unexpectedly discovered the secret of rebirth in this world. He supports his sweetheart to hold the world, and he also gives up the world to his sweetheart.
Mission: Mortals are heroes