Do-gyeong jumped in to save his student Ji-yong from drowning. After the two pass away, Myeongji, Do-gyeong's wife, and Ji-eun, Ji-yong's sister, are left alone in the world, having to cope with the loss of their loved ones. Myeongji travels to Warsaw, Poland, to avoid her harsh reality. She meets an old friend and hides her husband's death as if trying to reject the tragedy.

Seung-yeon and Yeon-su breaks up before their 100 days anniversary. Yeon-su asks Seung-yeon to go to see her mother.

A seventeen-year-old girl with sun allergy lives a sheltered life. One night, she ventures out to play guitar, and she meets a guy she admires. As they develop a romance, she hides her condition from him, creating tension in their budding relationship.

I love dancing K-POP with my best friend in our club. Though I am the tallest, the spotlight is mine at the center. But things are about to change- my best friend might become my ex-best friend; She's dating my secret crush! People say my mom and dad are a little unusual, but to me, they're just an ordinary family. The neighbor lady seems suspicious-she once filmed SNS videos with her daughter, and now she wants my mom to join instead. I have to stop this somehow. Maybe I should talk to her daughter first...