{Lin Yue} accidentally traveled to the Arthurian era, activated the "time and space sign-in" golden finger, and signed in every day to obtain magic props and the secret of modern knowledge transformation. He used chemical knowledge to make explosives to break enemy lines, and used physical principles to modify magic scrolls. However, during the adventure, he reunited with his old lover Ella, who was an "evil sect", and was framed by power-hungry nobles and selfish colleagues. On one side is the emotional pull of the opposition between good and evil, on the other side is the intrigue of King Arthur's era. Lin Yue relies on his passion and modern wisdom, and with the blessing of signing, he walks his own heroic path in the legendary era.
