The Big Dipper - Tianshu, Tianxuan, Tianji, Tianquan, Yuheng, Kaiyang, and Yaoguang are not stars, but the code names of seven people in a killer organization.
Some of them had nothing to do with the world at first, and some wandered in the world, but driven by fate, they finally gathered together. Under the confusion of the night, a unique splendor blooms.