Holmes’ latest investigation takes him inside a professional dance company when an up-and-coming ballerina is murdered. Meanwhile, Watson embarks on a solo enquiry to find a homeless veteran when his friend alleges he was abducted.
Claire and Phil spy on Luke and Manny; Jay misinterprets Gloria’s anger over a dream she thinks he had for another offense he committed; Mitch tries to keep a secret from Cam; Haley tries to keep her photography exhibit from her family.
As Laurel continues to unravel, Oliver and Lance try to convince Sara to stay in Starling City and finally reunite with Laurel and Dinah. However, Sara’s fellow League of Assassins member, Nyssa, comes to bring Sara back to the fold, but when Sara refuses, Nyssa kidnaps Dinah. Realizing she’s putting her family in danger by staying in town, Sara considers re-joining the league.
Reverend Deveaux interferes with the Hecks’ plan to use their coupon for an all-you-can-eat buffet after church.
Hot on the trail of the Clairvoyant, Coulson and his team board a mystery train that seems to be headed for certain death.
When the assistant to Modern Fashion Magazine’s dictatorial editor Matilda King is found murdered, Castle and Beckett are thrust into the glitzy, ruthless world of high fashion in their search for the killer. Meanwhile Beckett’s history in the modelling world gets her access to a very special wedding surprise.
Robin and Ted reminisce about past relationships as they search for a drunken Barney on the day of the wedding. Lily and Marshall come to a resolution. Barney befriends two men who are eager to meet women.
The daughter of a senator in Mexico is kidnapped by a cartel; Lillian uncovers a connection between her father (Peter Coyote) and the cartel.
Marty deals with hip-hop clothing moguls, who have divergent attitudes and plans for their company; Jeannie defines the role she will play in her new position; Clyde goes through some personal hard times and turns to Marty for help.
When Joan revisits one of Sherlock’s cold cases, she discovers an unsolved murder is connected to a rare prehistoric fossil. Meanwhile, Sherlock finds himself in uncharted territory when his duties as a sobriety sponsor cross his personal boundaries.