Season 1 of Sweetheart premiered on November 29, 1997.

This is a story about life and love in youth. Pu is a guy with good looks that comes from a broken family because his father had another woman. Despite everything, he's a calm and optimistic person. Weed is a cute girl who's openly honest and courageous. But she also has family problems and as a result, she often comes off as aggressive to friends and other people. Pu and Weed meet in university and they start to understand, help and encourage each other when it comes to their problems.