Skills, beauty, fame, ‘Diving Diva’ Lee-young has it all. Just so that she can help her long-term best friend Su-jin out, Lee-young changes her event to synchronized diving. While getting ready for the Olympics, Su-jin and Lee-young have a freaky car accident in which Su-jin disappears without a trace. Lee-young survives but loses her memory. Once she slowly starts to remember what happened that night, her iron will begins to shake on the diving board.