What type of equipment does she like? Do-yeong is after graduating faculty of education, unemployed but gets a job as a trainer at the fitness center. There, he meets with Se-hee, a gorgeous and famous sporting caster who lives in his or her locality. He attempts to buy her attention but neglects a few times. Do-yeong discovers that a way to use Se-hee is being planned by the gym and he sets out to save . What is happening at the fitness center throughout the 1:1 sessions and what's the storyline behind it?