Aile Sirketi is about the experiences of two siblings with different characters who have to work in the same office. Hande is a young woman working in the tourism industry, who is very successful in business life, opens a tourism agency with the support of his father. However, her father offers only one condition to support her daughter in this business; working with his brother Harun. Hande faces unexpected situations while working with her brother at the company called Hai Tourism.