Season 1 of Lesson Learned premiered on September 12, 2004.

Ana is an orphan girl, who lives with her fortune-teller stepmother, Eli. Eli treated her badly as she is considered to bring bad luck. Adrian, a wealthy guy, fell in love at first sight with Ana. He is looking for true love and never prioritizes material things, which is different from his family's view. His family is against Adrian and Ana's relationship.

Season 2 of Lesson Learned premiered on September 5, 2005.

Ana and Adrian live happily. Arman also going to marry Livia, the girl of his choice. However, life is always full of trials. Starting with the death of Eli, Ana brings Tino and Umi to stay at Ratna's house. Another tragic disaster befell Arman who lost his wife on their wedding day. Unbeknownst to them, there are old faces who still hold a bitter grudge against them, Hasyim and Vina, who still intend to control all of Adrian's family wealth. This time they were helped by Eva, a beautiful girl who will seduce her way to be Arman's wife.

Season 3 of Lesson Learned premiered on August 28, 2006.

Adit returns from America with his girlfriend Marla. They live together with no intention of getting married. The family's warnings and advice made Adit distance himself and leave the house. However, Adit and Marla's relationship did not last long with Marla's pregnancy. She did not want to go with abortion out of the risk of it, then Adit left her because he felt he was not ready to be a father. Marla, who had been stranded, finally accepted Ana's help, who invited her to live at Ratna's house. Adit then meets Amanda, a beautiful girl who somehow transforms Adit from a playboy to be serious. Little did he know that Amanda and her family were frauds.