Although a fairly low energy episode, requiring far too much attention to tedious detail, "Bitcoin for Dummies" delivers a big payoff: In a surprising twist, Kalinda is forced to betray either Will or Alicia. Her decision has the potential to bring one lawyer to ruin.

But first, the court case: The drama opens to the ominous beat of what turns out to be Timbre, Timbre's "Magic Arrow," signaling a gun fight. Dylan Stack ("American Pie's" Jason Biggs) sits alone, anxious but defiant, in the Lockhart,...