Flashbacks reveal what led to Sherlock's downfall into addiction as the re-emergence of Irene Adler leaves Sherlock stunned.
Holmes and Watson look for a murdered blackmailer's accomplice. The blackmailer was targeting families of rape victims. Sherlock opposes celebrating his one year of sobriety.
With a Nor'easter as their backdrop, Sherlock and Joan attempt to keep one of the largest cash vaults in the country from being robbed. Sherlock does his best to console a transgender woman with a broken heart.moreless
Sherlock becomes intrigued by Watson's first solo case when the goodbye video left by the missing woman mentions a murder on a subway platform.
A wealthy man comes to Sherlock saying his incurable illness was given to him on purpose. To teach Joan his tricks of the trade, Sherlock sends Joan to a suspicious dry cleaning establishment.moreless
When Detective Bell is attacked while off duty, Sherlock finds the case isn't so obvious as it first appeared after the suspect is found dead. Sherlock pushes Joan to learn self-defense.
When Sherlock's ex-drug dealer, Rhys, comes around for help, Watson is concerned about Sherlock's sobriety after Rhys implies that Sherlock on drugs made a better detective.
While trying to predict the next move of erratic criminal Martin Ennis, Sherlock is forced to work with an FBI profiler. The same profiler who wrote an acclaimed book about the notorious criminal. Elsewhere, Watson faces eviction from her apartment.moreless
With Sherlock suspended from working with the NYPD following the "M" investigation, Watson does her best to mend the rift between Sherlock and Captain Gregson. Meanwhile, Sherlock decides to investigate a suspicious accident involving a conspiracy theorist.moreless
Sherlock and Joan are called to investigate the death of the general manager of a high-end Manhattan hotel after her body is found inside one of the hotel's washing machines. With Joan's time as his companion drawing to an end, Sherlock asks Joan to stay.moreless
When a bank vault that is supposed to be impenetrable is breached, Sherlock is asked to investigate. Sherlock meets Watson's family and, much to her delight, stands up for her decision to become a sober companion.moreless
The vicious murder of a college professor calls for Sherlock's deductive reasoning skills. A lover from the past asks for Watson's help.
Sherlock discovers a long hidden crime while investigating a bombing. Watson pushes Sherlock to choose a sponsor.
A double murder that parallels murders from 13 years ago has Sherlock's full attention. Watson really want to know more about Holmes.
Sherlock sets out to prove it wasn't mechanical error when a body is found in the wreckage of a small plane crash. Watson tries to get Sherlock to meet with his father.
Sherlock searches for an angel of death after coming across a series of murders during his research in a hospital morgue. Sherlock finds out more about why Watson left her surgical career.
When a Wall Street executive's death is tagged as a heroin overdose, Holmes is called upon to consult, even though he loathes bankers. Watson uses her logical thinking processes when she re-enters the dating scene.moreless
"The Balloon Man" who leaves a signature batch of balloons at his crime scenes, is on the loose. Sherlock and Watson, called in to consult on a child abduction case, set out to find the serial killer. But will Sherlock's signature bluntness be of any use?moreless
When a young man is killed as he enters his apartment, Sherlock is called upon to consult. Watson will have to deal with Sherlock's reaction when she gets together with her ex-boyfriend.
When the daughter of one of Detective Amaro's friends is found working as an underage prostitute, the unit sets up a sting operation. Unfortunately, the operation's high-profile collar marks the return of Bayard Ellis and his notion of rape excused by mental defect.moreless