A car rear-end accident caused Yun Si to fall from the bridge into the river. He thought he would die, but he did not expect to be reborn in the mermaid world and face the risk of being abandoned by his teammates. In this strange world, in order to survive, Yun Si can only hug the mermaid brother who is connected to the same fate, for fear that he will also abandon him. Later, Yun Si thought that he was lucky to have hugged the strongest mermaid among a group of disabled mermaids.
Intention: Never give up, never give up, support and encourage each other