Season 1

Zhao investigates a student murder, suspects Li Qian’s the target, and meets the enigmatic Shen Wei.

After Li Qian’s grandmother dies, Zhao and Shen Wei uncover clues linking Dixing and a sundial.

A student’s body ages rapidly, a girl with gloves is tied to the case, and Zhao races for answers.

A faceless corpse and a vengeful witness bring Zhao face-to-face with Shen Wei at another murder.

When a rich heir and his fiancée vanish, Zhao suspects the butler amid a deeper cover-up plot.

The team investigates a woman’s strange vanishing, while Zhao seeks Shen Wei’s aid in solving it.

Zhao saves Shen Wei from a mugging; murders mirror a web novel, and the two grow closer.

Guo joins SID officially, Lin Jing arms him, Zhao gifts Shen Wei books, and the artifact stirs.

Wang Zheng regains memories of the Hanga tribe as SID journeys with Shen Wei up the mountain.

Trapped in a village guesthouse, SID faces monsters, betrayal, and the Envoy’s timely arrival.

SID rescues Wang Zheng and Sang Zan; a drink reveals new clues about Shen Wei to Chief Zhao.

Kidnappings, a staged mass suicide, and Zhu Jiu’s pursuit of artifacts put SID in grave danger.