Sherlock struggles to deliver the best man's speech at John and Mary's wedding reception; Sherlock tells the guests about past unsolved cases and inadvertently stumbles upon the identity of the murderer and his next intended victim.
Director:
Colm McCarthy
Cast:
Benedict Cumberbatch
Martin Freeman
Una Stubbs
Rupert Graves
Mark Gatiss
Louise Brealey
Amanda Abbington
Yasmine Akram
Alistair Petrie
Alfred Enoch
Alice Lowe
Jalaal Hartley
Ed Birch
Lara Pulver