The team has only hours to investigate a last minute tip that could exonerate a dangerous mob boss on the eve of his execution. Meanwhile Charlie's attempt to help the CalSci basketball team break their incredible losing streak leads to some interesting outside help .

When the FBI is called in to investigate a series of home invasions, the team uses Charlie and his math skills to help profile the suspects, but when his calculations go awry during a raid, Don suffers a life-threatening injury.