The episode starts by introducing the case of Cheung Chung, a seemingly loving husband and father who murdered his wife and hid her body in a wooden box. Despite their outwardly perfect life and the suspect's seemingly good character, the police investigation reveals a dark secret.
Cheung Chung, a Hong Kong University professor, murdered his wife, Chan Wai Man.
The body was found in a wooden box in Cheung's office.
The couple appeared to have a perfect life, with no obvious motive for the murder.