Set in a vibrant share house named Belle Epoque, *Hello, My Twenties!* follows five university-age women navigating the turbulent waters of early adulthood in Seoul, each carrying distinct emotional baggage and secret struggles.Yoon Jin-myung is a perpetually exhausted senior working multiple part-time jobs to support her comatose younger brother and drowning mother, leaving her with no time for romance or dreams. Jung Ye-eun is intensely devoted to her manipulative, emotionally abusive boyfriend, projecting a bright, bubbly exterior to mask her deep insecurities. Song Ji-won is a quirky, loud journalism major obsessed with paranormal stories and finding a virginity-losing boyfriend, though she hides a sharper, more perceptive mind. Kang Yi-na is a glamorous, unapologetic college dropout who funds her high-end lifestyle by dating wealthy, married men, hiding a paralyzing existential dread stemming from a near-death tragedy in her past. Into this chaotic mix steps Yoo Eun-tae, a timid, socially awkward freshman who moves into the final vacant room. Eun-tae harbors a dark secret, having hallucinated a ghost following her, and struggles to fit in while hiding her true personality.As the housemates clash over stolen cosmetics, cleanliness, and differing worldviews, forced proximity slowly transforms their friction into profound camaraderie. Jin-myung’s stoic shell cracks when she forms an unlikely bond with a kind chef who encourages her to finally choose her own happiness. Ye-eun reaches a harrowing breaking point when her boyfriend escalates his control, culminating in her abduction and trauma, which forces her housemates to rally around her in fierce solidarity to help her reclaim her life. Ji-won’s relentless joking conceals her fear that she is entirely ordinary, while Yi-na experiences a
crisis of conscience that pushes her to abandon her transactional relationships and discover her own authentic identity. Eun-tae learns to confront her past ghosts, finding the courage to speak up and stand alongside her surrogate sisters.Throughout their journey, the narrative cuts between the central drama and humorous, biting internal monologues offering psychological insights into young womanhood. The series explores themes of grief, financial desperation, abusive relationships, and the healing power of
female friendship. By the end, Belle Epoque ceases to be merely a physical address; it becomes a sanctuary of mutual healing. Despite their starkly different paths, the five women evolve past their initial facades, forging an unbreakable sisterhood that prepares them to face the unpredictable realities of adulthood with newfound resilience, mutual support, and hardened emotional maturity.