In the ever-changing ninja world, there are undercurrents surging beneath the calm surface. Young Lin Yu was living an ordinary life, but due to an accident, he was involved in a dispute in the ninja world. In order to protect the people around him and explore the truth of the ninja world, he worshiped in the Hidden Valley and embarked on the path of cultivation under the careful guidance of the old man. As his strength increased, Lin Yu discovered that there was a huge conspiracy hidden in the ninja world, and mysterious forces tried to subvert everything. During this journey full of challenges and crises, Lin Yu met three affectionate women with different personalities, and began a series of touching love stories with them. In the face of numerous crises and powerful enemies, Lin Yu joined hands with his partners Xiaopang, Xiaomei, etc., Relying on wisdom and courage to move forward hard in the flames, writing his own legend of the ninja world, and uncovering the truth shrouded in layers of fog.
