An Indelible Destiny S01 E02 Episode 2

A cold, sharp-witted detective, Li Yiyue, and the Prince of Northern Hai, Tong Ling, once fell in love while fighting a dangerous inner demon threatening the people. After a near-death encounter, both lost their memories. Three years later, they reunite to confront the demon's return, uncovering their forgotten past and reigniting old feelings.