A scandalous rumor is spread on the Internet that a second-year student at Shinhwa High School, identified as "Miss K," is pregnant.

Not keen to watch Jan-di dancing with one of his best friends, Jun-pyo leaves the ballroom and ends up taking out his frustrations by the poolside.

Making a sudden decision, Jan-di tells her mother she has to go somewhere and runs off, heading toward Namsan Tower.

Jan-di's bike is set on fire while she is assaulted with water balloons and blasted with a fire extinguisher.

A psychic predicts that Jan-di will be losing something important.

Jun-pyo plans to evict his best friend and Jan-di out of Shinhwa High School – and out of F4.

Jan-di rushes to the hospital after hearing that Jun-pyo has been in an accident.

Yi-jung receives a hysterical call from his mother threatening to commit suicide because of his father.

Valentine's Day reveals hidden feelings. With the family dry cleaning business in serious trouble, Jan-di decides to take a new job.