When a school shooting breaks out during the investigation of a tattoo, the team splits up to take down the shooter. Mayfair copes with some issues from her past.

Zapata's transgressions catch up to her, sending her to jail alongside a potentially powerful Sandstorm asset named Devon. Weller and the team must go to exceptional lengths to help Zapata out.

When Patterson's investigation into a tattoo results in a horrible incident, she tries to figure out what went wrong - but quickly realizes all is not as it seems.

When Ice Cream, the Icelandic fixer, returns to collect his debt, the team is forced into a life and death race around the world to solve a series of puzzles and recover the infamous stolen Gardner paintings.