Synopsis：To evade pursuit after retiring as an assassin, Xiao Ye escapes on the private jet of Ling Yan, the daughter of a wealthy family. However, the plane crashes along the way. Ling Yan is seriously injured and loses her memory, and Xiao Ye takes her to a border town, claiming that they are cousins living there in seclusion together. Even after losing her memory, Ling Yan’s spoiled nature remains unchanged, but through their daily life together, she gradually develops feelings for Xiao Ye. Meanwhile, Xiao Ye’s former partner who is secretly hunting him down, and Ling Yan’s scheming fiancé who is trying to seize her family’s fortune, draw closer one after another, completely shattering their peaceful life. In the border town filled with danger, the two people with uncertain identities must join forces to face layers of conspiracies. Between lies and truth, they protect each other while also confronting their true feelings along the way.