Nhà Gia Tiên follows Gia Minh (Huỳnh Lập) and Mỹ Tiên (Phương Mỹ Chi), two siblings from different realms. Mỹ Tiên, a Gen Z content creator disconnected from her family and skeptical of the supernatural, encounters the ghost of her late brother, Gia Minh, while filming at their ancestral home. To help Gia Minh find peace, the siblings must protect the disputed family estate and unravel its shocking secrets. Will Mỹ Tiên fulfill Gia Minh's final wish amidst the chaos?