As Watson peruses one of Holme's cold cases, she figures out that a rare prehistoric fossil is tied to the unsolved murder. Sherlock is in uncharted territories as concerns his duties as a sobriety sponsor.moreless
When Gary loses his summoning word at a concert he loses all control of himself. Unwholesome hilarity ensues!
Liz tries to get Criss to want a family once she runs into Dennis.
Eli invites Nucky to Easter dinner in the hope of mending a few fences.
Louie accompanies his daughter on her class field trip, but the bus ends up getting lost, stranding everyone in Harlem.