Lin Xiaoman, a girl from the cat tribe from the Xinglan world, accidentally fell into Binhai City in the human world in order to protect the balance of time and space between the two worlds. Hidden beneath the city are seven star-track fissures that maintain the stability of the two worlds. Once the cracks are out of balance, the order of time and space will collapse. A group of talented people who are obsessed with breaking the balance and trying to control the power of the star-tracks are secretly waiting for opportunities to disturb the cracks and create abnormal movements.
Lin Xiaoman, who was alone to avoid being tracked, accidentally met Jiang Che, a young man who could resonate with the energy of star trails. During a night rift movement, the two met Su Wan, a girl from the fox tribe who was good at controlling space, Lu Ye, a genius boy who was proficient in energy technology, and Chen Mo, a geological consultant who was familiar with the context of the city's rifts. The five formed a rift guard team to jointly protect the stability of Binhai City's star trails.
While integrating into the daily life of the campus, they experience the youthful fireworks of teenagers; at the same time, they face various rift crises and resolve energy disturbances created by gifted people. From responding to the investigation of Chi Ying, the genius of the Bird Clan, to resisting the energy intervention of the leader Gu Han, to getting acquainted with Cangya, the guardian of the wolf tribe, and the reinforcements from the Xinglan Realm, the teenagers have gathered bonds in fighting side by side, switching back and forth between ordinary daily life and crisis challenges.
As the plot progresses, ideological differences within the Xinglan world gradually emerge. Some tribesmen are eager to break the balance between the two worlds and pursue stronger power, triggering undercurrents across the world; double-faced messengers and Xinglan guards appear one after another. Faction games and confrontations among the same tribes follow one after another. The guardian team must not only guard the cracks in the human world, but also face the conspiracy and betrayal of their homeland.
