Sherlock is called in to investigate when a supposedly uncrackable bank vault called “The Leviathan” is breached. Meanwhile, Joan is pleasantly surprised when Sherlock meets her family and defends her…

When eight-year-old Jenna Wechsler dies as a result of a building explosion, Green and Cassady follow the trail of evidence to Rosalie Schaffner, the owner’s ex-wife. McCoy and Rubirosa pursue…