Lucas Caleb Rooney

As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction.

As Detective Carter deals with the fallout from her recent encounter with Reese and Finch, the Machine ups the ante for the duo by giving them four Social Security numbers instead of one.

Alicia and Will have to prove that a judge's death in a car crash was not the result of reckless driving so that his life insurance will pay out. However, they must pursue their case at an inquest at the county coroner's office, where they are only allowed to pose three questions to each witness. When Cary's father Jeffrey returns with new business for the firm, Cary realises how difficult he is to work with.

When a retired professional football player is found stabbed to death, Alexx is unable to take the body for an autopsy because the victim wanted to be cryogenically frozen.