A youth romance about two men and woman who aren't blood related but treated each other as family during their teens and how they meet again after 10 years.
When Jo Gang-Ja attended high school, she was notorious for fighting. She gave birth to her daughter A-Ran in her late teens and became more responsible. Her daughter A-Ran is now a high school student, but A-Ran is bullied at school. Jo Gang-Ja decides to go back to high school to protect her daughter. Jo Gang-Ja becomes a high school student again.
Cheng Shaoshang, left behind by her parents who went off to war, faces challenges from a scheming aunt and struggles with estrangement from her family. Lacking love and security, she is cautious in choosing a marriage partner and meets three suitors: Ling Buyi, the emperor's adopted son; Yuan Shen, a talented figure from Bailu Mountain; and Lou Yao, an aristocrat. Despite a rocky path to love, Shaoshang remains steadfast. Her involvement with Ling Buyi leads them into a mystery surrounding his family and identity and together they confront a national crisis, growing through their experiences and upholding their ideals.
Ling Chao and Xiao Tu have been childhood rivals and inseparable friends since kindergarten. Despite his brilliance and perfectionism, Ling Chao always lived in the shadow of Xiao Tu in his mother’s eyes. As they grow up together, their playful rivalry turns into something more.
A lawyer with a ten-percent winning rate is caught up in a murder case and becomes the notorious and genius con artist, Big Mouse, overnight. In order to survive and protect his family, he tries to reveal the true colors of the privileged people involved in a huge conspiracy.