Fitness Flirtation summary: Go Eunwoo, 25, committed to fitness training for an upcoming beach outing with friends, found herself with a new trainer when her regular one couldn't make it. Nam Taehee, 23, stepping in, was instantly smitten with Eunwoo but struggled to express his feelings. After a spontaneous dinner invitation, they shared a memorable, intoxicating night together. Now, both grapple with the aftermath, unsure if their connection will deepen or fizzle out after their steamy encounter.