The Turners open up a family business as a front for a more important mission.

Sherlock takes on the case of a stolen artificial intelligence software program, but seeks out Joan when he’d rather disprove the computer’s abilities than find the thief. Joan meets Sherlock…

With Finch missing – kidnapped by his hacker nemesis, Root, Reese enlists Detectives Carter and Fusco to get his friend back, Meanwhile, The Machine never sleeps, disseminating a new number…