Episode 1 : The Past Is Parent
With Holmes facing criminal charges in the aftermath of his recent violent behavior and relapse, his powerful father Morland Holmes(John Noble) arrives in New York to fix his estranged son's troubles by any means necessary. Also, Holmes and Watson work the case of a missing wife believed to have been killed by her husband to try and get back in the NYPD's good graces.
Episode 2 : Evidence of Things Not Seen
When Morland offers to use his influence to have Sherlock and Joan reinstated as consultants to the NYPD, Sherlock's mistrust of his father makes him question his motivation to help. Also, with no work offers coming in, Watson wrangles a gig with the FBI investigating a triple homicide in a top-secret research lab.
Episode 3 : Tag, You're Me
When Sherlock finds himself distracted by his father's ongoing presence in New York City, he offers to help Morland resolve a work issue in exchange for his prompt departure home. Also, Holmes and Watson's investigation into the double murder of two men who looked alike leads them into the world of facial recognition technology.
Episode 4 : All My Exes Live in Essex
When Holmes and Watson investigate the murder of a fertility lab technician, they discover the woman had a secret personal life that leads them to multiple suspects. Also, the tables are turned on Watson when she's investigated by an NYPD detective.
Episode 5 : The Games Underfoot
When an archeologist is murdered, Holmes and Watson believe the man may have been killed for what he discovered during his last excavation in a local landfill. Also, Sherlock's relationship with Alfredo, his friend and former sobriety sponsor, hits a rough patch.
Episode 6 : The Cost of Doing Business
Morland offers to act as one of his son?s "Irregular" consultants so that he can lend Sherlock and Joan his considerable resources to help them solve a case.