In the chaotic aftermath of a sudden financial ruin, the Ahn family is forced to abandon their affluent lifestyle and seek refuge in the cramped, dilapidated home of their estranged relative, Gye-sang. The patriarch, Soo-sang, struggles to reconcile his pride with his newfound poverty, leading to a series of darkly comic yet heart-wrenching confrontations as he attempts to rebuild his dignity. Meanwhile, the mother, Yoo-sun, battles a severe
identity crisis, oscillating between manic outbursts and bouts of profound melancholy, which threaten to fracture the family’s fragile unity.The narrative intensifies when the eldest daughter, Soo-jung, a former socialite accustomed to luxury, finds herself navigating the harsh realities of public schooling and social ostracization. Her desperate attempts to reclaim her status lead her into a web of deceit, involving a dangerous rivalry with a local gang leader who finds her arrogance both irritating and intriguing. Simultaneously, Gye-sang, a soft-spoken doctor with a hidden, traumatic past, becomes the emotional anchor for the family, though his own motivations are shrouded in secrecy. He is secretly investigating a corporate conspiracy that caused the family’s downfall, putting him in the crosshairs of a ruthless conglomerate determined to silence him.As the lines between comedy and tragedy blur, the household becomes a pressure cooker of
repressed emotions and buried secrets. The arrival of a mysterious, vengeful lodger, who claims to have been wronged by the Ahn family years prior, accelerates the tension. This outsider systematically manipulates the siblings against one another, forcing them to confront the selfish behaviors that contributed to their demise. The series reaches a boiling point when a series of shocking betrayals reveals that the family’s financial collapse was not merely bad luck, but a calculated act of sabotage. With their lives on the line, the Ahn family must shed their superficial veneers and forge a genuine alliance. In a climactic showdown, they move from being victims of circumstance to architects of their own redemption, proving that even those who are "short-legged"—those who struggle to keep pace with the world—can achieve a devastatingly powerful revenge against those who sought to crush them.