Romane, a mysterious young woman, makes a dramatic entrance into Hell. Upon arriving at the Happy Hotel, her enigmatic aura and tumultuous past quickly draw attention. Gradually, she finds her place among the residents of this unique establishment. Her unexpected presence and fascinating story cause ripples, disrupting the lives of the residents and transforming the daily routine of the hotel. Everyone, from the staff to the other guests, is affected by her arrival as she integrates and redefines the existing dynamics with her unique personality and undeniable charisma.