Lao Gang, Mule and Dong Yi are brothers who have been friends for decades. As the "big brother", Lao Gang has been "covering" for the vendors in the market, but the arrival of a new boss puts his position in jeopardy. Dong Yi and his wife Feng Lai were originally in a harmonious relationship, but Lao Gang and his mule mistakenly suspect Feng Lai of cheating on them, and they secretly investigate out of brotherly loyalty. Will Lao Gang be able to regain his dignity as the "No. 1 in the vegetable market"? Will Dong Yi and Feng Lai's marriage survive the test? The three veterans of the Northeast are united in a story of love and justice, laughter and tears.

This drama tells the story of Ximen Changhai, head of the Magpie Saber Sect, who is determined to eradicate the wokou pirates and joins a secret plan to do so. To prevent his plans from leaking out, Ximen Changhai brought his brother, Ximen Changzai, a cook, to the Magpie Saber Sect to become the acting sect head, and as affairs within the Sect changed, an amusing martial arts story started within the sect.