Legend of the Blue Sea Episode 10 is about finding secrets, uncovering the past and revelations. Joon Jae finally saw the painting of who he was during his past life. To his surprise, he look like the one on the painting. But, the most thrilling part on this episode is the scene where he can hear what Shim Chung is saying in her mind admitting that she is a mermaid. Watch Legend of the Blue Sea Episode 10 Now!