The Tale of the Lawsuit in Dragon Court is the sixth story of Nguyễn Dữ's Truyền kỳ mạn lục collection,[1] published in the second volume.

[2] Vĩnh Lại District in Hồng Châu dwell many kinds of aquatic creatures, with dozens of temples for them built along rivers.

In the era of Trần Minh Tông, the governor of Hồng Châu is Trịnh whose wife is Dương Thị.

Dương Thị recognizes her husband's keepsake, so she gives the girl a letter to Trịnh, urging him to rescue her soon.

A year later, Trịnh goes back to the temple and learns that it has become ruined after a giant snake appeared and swam away on the day he sued the Serpent Lord.