The Legend of Mermaid 2

After Penglai island’s sinking, Xiyin gives her pearl to Yan Lie to save him. While she sank into the sea and disappeared, the Chimaren clan also disappeared. When the imperia's loved wife Shen Mei covets the pearl inside the body of the mermaid, Yan Lie goes to Peach Flower island looking for the mermaid. There he runs into his lover Xiyin who lost her memory. Yan Lie now needs to do everything to bring Xiyin's memory back. (Source: AsianCrush)