The first episode of the second season opens with a thrilling bomb and sniper threat, and the first official meeting between Sherlock, Watson and Moriarty is tense and suspenseful.The suspense of last season is continued at this moment, and the new plot also kicks off at this moment.

Sherlock, the world-famous detective, once again faces a challenge.He accepted an important commission from Buckingham Palace. However, this time his opponent was not a simple criminal, but a mysterious woman who was both good and evil-Irene Adler.She is smart, cunning, on par with Sherlock, and she is a woman who makes his heart beat.Her appearance makes Sherlock's life once again full of unknowns and variables.

However, a bigger crisis is quietly approaching.Moriarty, the genius criminal who has always been an enemy of Sherlock, began to plan an unprecedented conspiracy.He cleverly convinces the public that all of Shylock's deeds are fiction, turning him from a respected detective into a disgraced pseudo-hero.This strategy is undoubtedly a heavy blow to Shylock.

In order to completely defeat Sherlock, Moriarty set a seemingly unsolvable trap.He forces Shylock to jump off a building in an attempt to end his life.However, just when Sherlock was in desperation, Moriarty suddenly committed suicide by swallowing a gun.This ending is unexpected and makes people wonder, has Sherlock fallen into his trap?