When a kidnapper defies orders and spares his captive, the two soon find themselves hostages to their hearts as new feelings emerge — and danger looms.

Su Xiamo, posing as an heiress, travels to Mangbei to find her missing brother but becomes the target of an assassination. Qi Chuan, searching for answers to his own brother’s death, rescues her, suspecting a connection. An unexpected marriage binds them, turning their reluctant partnership into a journey of love and discovery as they uncover the truth together.