As for the most popular girl at Busan high, Go hye mi (you). You literally have it all, the popularity, the friends, and wooyoung your boyfriend. But, when you find out something that has been going on for 1 year can you keep all of that? You had bumps on your road as hye mi, but this one is different. This is the bump of the road when you expirence the 50 shades of love.   

A year after Ailee Dae went missing her friends begin receiving terrifying text messages that included only information that Ailee knew. But even when Ailee's body was found the messages continued.