The Truth Within

A mysterious man named Qi Si Zhe joins the police force as a forensics chief while secretly investigating a drug called "Original Diamond." A drug user jumps off a roof but survives.… read more

Qi Si Zhe proves his innocence in the poisoning case by revealing that the cyanide was in the victim's medication. He forces his way into the investigation of a frozen body found in… read more

The police identify Dr. Zhao as the insider who killed Jiang Fei and Qiu Lan Zi to avenge her daughter's drug-induced coma. Han Feng and Qi Si Zhe discuss their fractured relationship… read more

The police distinguish between two victims: the deceased Ye Ying Ying (the "doll") and the missing Xie Yao Qi. Evidence points to a killer mimicking funnel-web spiders who possesses… read more

Police identify Liao Yun Sheng as the prime suspect after finding forensic evidence linking him to the crimes. Qi Si Zhe profiles the killer as someone suffering from a delusion that… read more

The police discover that Liao Yun Sheng was actually the first victim, not the last, completely upending the timeline. Suspicion briefly falls on Xie Yao Qi, but the truth is stranger.… read more

Li Shu Ting dies in a traffic accident while hallucinating, leading Qi Si Zhe to suspect a link to a past case involving a light-attracting drug side effect. While the team investigates… read more

Qi Si Zhe and Chen Chu Chuan clash over their shared past with Li Ming. The police investigate a collection of bones that yield no DNA. Qi realizes the killer is murdering victims… read more

The police discover a secret dissection room behind a shelf in the specimen lab. Evidence points to Professor Huang, who suffers from Parkinson's. While Huang admits to illegal experiments,… read more

Police confirm Liu Yuan Yuan was a paid test-taker for lookalike Ding You Mei. Forensic evidence in the lab freezer proves Ding You Mei impersonated the victim to fake an exit. Gao… read more

Qi Si Zhe gets suspended after confronting Huang Zheng Ming. Police break Ding You Mei's alibi, revealing she killed both Liu Yuan Yuan and her mother out of greed and jealousy. Li… read more

The investigation shifts to murder as police discover Zhai Xi Xi bought a large insurance policy for her brother just before dying. Qi Si Zhe deduces the killer signaled Xi Xi to jump,… read more

The investigation exposes a suicide ring run by Liu Qing and insurance agent Wang Chen, who manipulate desperate people into sacrificing themselves for insurance payouts. Wang Chen… read more

A new body found in a dumpster links a current murder to a fourteen-year-old cold case involving a dead artist. The victim is identified as Hu Jie, the friend of the original cold… read more

Ruan Ming Yu clears his name by revealing a dark history involving Hu Jie, a murder weapon in a lake, and a love triangle. The police identify Chen Chu Chuan as the Gold Award winner… read more

Chen Chu Chuan denies killing Hu Jie but reveals she accidentally killed Fan Jiang Xue years ago during a medical emergency. Chen uses Qi Si Zhe as his alibi for the recent murder.… read more

Wan Guo Xin is found murdered alongside suspect Cui Hao. The team deduces that a third party, a hitman on a motorcycle, killed them both after Cui betrayed Wan. The investigation leads… read more

The police mourn Wan Guo Xin while the investigation into the new drug intensifies. Qi Si Zhe discovers the drug is an evolving experiment. A task force targets Nuo Sha's gang, leading… read more

Han Feng's undercover buy goes wrong when he realizes the sellers are fakes. Zhu Qing Yue is critically injured saving Su Huai Ning from a bomb. The police find the female broker dead… read more

Qi Si Zhe discovers a hidden chemical formula in an old notebook belonging to Li Ming, which turns out to be the key to the drug ring's operation. Han Feng reveals details about Li… read more

Han Feng goes undercover to bust the drug ring, leading to a violent raid on the factory. Wu Yongchang reveals himself as the true mastermind behind the "Original Diamond" case and… read more