Pearls of the Deep

Mermaid girl Bao Rourou searches for her missing father and gets tangled in a murder case, where she meets royal detective Gu Xinghe. She reluctantly becomes his assistant, while he secretly probes her identity in search of a cure. As they crack bizarre crimes side by side, their bond deepens and love blossoms. Together they unearth a grand conspiracy tying all the cases to her father’s disappearance and rescue her father with their friends' help. Yet right after they vow to spend their lives together, a brand-new crisis looms…