Sekali Aku Bahagia.

Aireen and Naufal are siblings. Aireen falls in love with Muaz, a worker in her brother's shop. Despite being married to Rania, Muaz married Aireen without telling her his actual marital status. The conflict started when Aireen found out about the marital status of Muaz and Rania who already had a daughter. Rania is not aware of her husband's cheating. The situation becomes more complicated because Aireen does not want to polygamy and only wants to have Muaz for herself. Rania now has to stand up and fight for her daughter's future.