It has never been heard of someone traveling through thousands of years to travel through a thousand years of lost love because of a trauma in their love life. However, Lu Ruomian had this rare experience that ordinary people can't find. She was lost in an unknown world and was reincarnated into the red card singer of Changsi Garden - Lu Ruomi.
The son of a high-ranking official, the arrogant swordsman, the mysterious noble, the struggle between the three men, entangled in a strange world, can Ruomi really let go of the past? If Ruomi is lost, is he lost himself or is he confused by all living beings...