Watch The Mermaid (2016) HD Full Movie Free on SolarMovie. Watch The Mermaid (2016) online free. Shan, a mermaid, is sent to assassinate Xuan, a developer who threatens the ecosystem of her race, b...Shan, a mermaid, is sent to assassinate Xuan, a developer who threatens the ecosystem of her race, but ends up falling in love with him instead.