Trying to overcome her painful past, Jenn is taking her second semester at Oceania University one day at a time. Just when she thought her college life couldn't get any duller, she crosses paths with Mingyu Kim, the kind and handsomely popular founder of the music club. His longtime childhood friend Raina, though isn't so sure if their new friendship will end up ruining their own. As this semester seems to get even more out of routine, Jenn bumps into the new and mysterious student Wonwoo Jeon, who seems to have plans of his own. As their lives all crash into each other through friendship, love, jealousy, and competition, they learn that youth is like ocean waves. Things are always thrown at you, but you have to find a way to ride against the tide.