at the end of the second season, watson is preparing to move out of the brownstone bbb。 this season, watson will have a new boyfriend, and sherlock holmes will have a new assistant. the story will begin a year after the previous season, with sherlock holmes in the uk for MI6 after serving for a year, i returned to new york with my new assistant. how will he deal with his relationship with watson? how will watson's love life develop? the newcomer has a new atmosphere, and old friends gather together again. on october 30, 2014, let’s see if the brownstone detective duo can end their separation and “remarry” successfully. the masterpieces of the past are reborn again, let’s see how the screenwriter resolves the situation.