A string of mysterious crimes sets the stage for a gripping investigation—one that hits close to home when seasoned forensic examiner Tim Sir becomes a suspect in his own wife's death.

Tim Sir is known for his expertise and dedication, both in his work and in caring for his wife, Charlie, who was left paralyzed after an accident. Despite the hardship, their bond remains strong, earning him the admiration of his brother-in-law and colleague, Sam.

Tragedy strikes again when Charlie is diagnosed with cancer and later dies unexpectedly after consuming poisoned food. As questions mount, Nicole from the Major Crimes Division begins to suspect Tim Sir, setting off a tense search for the truth.