“Main Hati” follows Angela, a young businesswoman who goes bankrupt and is forced to accept help from her father, on one condition, she must get married. To fulfill the requirement, Angela enters into a contract marriage with Bana, a swimming coach who also needs money. Although their marriage begins as a business agreement without feelings, the arrival of a girl named Kayla changes the dynamics of their relationship. The series explores the theme of contract marriage with elements of romance and family conflict.