Mai Huê

Thang is a Hanoi intellectual and graduates from university with high distinction causing his former teacher, Dao, to invite him to work in a mathematics institute of odd algorithms. He has problems because of his personality and refuses to give up his mathematical perspectives. He distinguishes himself as a person of integrity, which also causes problems for him.

While still heartbroken after her new boyfriend leaves to marry another woman, Đan Linh gets into a serious car accident and is rushed to the hospital where she is treated by Phan, a distant and grumpy surgeon. Despite significant initial distaste from both sides, the pair soon grow a profound appreciation for each other's wisdom and bond over their shared experience of family turbulence.

The story of friendship revolves around a group of children in Mây Village, where Tú, a lively, mischievous girl who loves fairness, always wants to protect the territory and inhabitants of the 'headquarters' she established. Nearly 20 years later, Tú is busy working as an operations director at a company founded by her older brother, Viễn, and their old friends. And by chance, when the group returns to Mây Village, the secrets of the past are revealed, awakening memories that were thought to be buried forever.

Phuong becomes Huy's contract girlfriend since a party, but this relationship leads them to many awkward situations, opening up unexpected connections with relatives on both sides.

The dynamics between two long-time best friends change when one starts working as the other's subordinate and becomes inflicted in his workplace power battles.