Mountain youth Lu Xun followed his master's instructions to descend the mountain and head to Lincheng to cancel an engagement made in his early years. Entering the city for the first time, he accidentally encountered an unexpected danger and timely stepped in to help wealthy heiress Wen Ruoyao. Wen Ruoyao appreciated Lu Xun's calm and reliable character, and was willing to proactively approach, get to know, and understand him. During his stay in Lincheng, Lu Xun got entangled in the internal affairs of the Wen family and disputes of local forces, steadily and properly resolving various incidents while slowly exploring the mystery of the past left behind by his father's generation. Supporting each other and trusting one another through repeated dangerous trials, their feelings gradually warmed up. The mysterious figure behind the scenes of the events has yet to surface, and more trials have only just begun.