Elementary - Season 4 File

In Episode 11 ("Down Where the Dead Delight") , a bomb detonates in a morgue, forcing Holmes and Watson to solve a murder without any physical "pieces" of evidence.

The artwork serves as the bridge between a current homicide and an unsolved mystery from the past. Other Notable "Pieces" in Season 4 Elementary - Season 4

The "piece" in question leads the duo into the world of high-stakes art, where they must determine if the victim was killed because of what the artwork represented or a secret it contained. In Episode 11 ("Down Where the Dead Delight")

Season 4 heavily focuses on Sherlock’s estranged father, Morland Holmes (played by John Noble), who arrives in New York to "fix" his son’s life. His presence is a major missing piece of Sherlock's backstory that is finally explored. Season 4 heavily focuses on Sherlock’s estranged father,