The top six artists perform a contemporary and classic song infront of the coaches to compete for the title of "The Voice";viewers have the chance to vote for their favorite artistovernight.
Chaos erupts in the city when an attack disrupts cell,internet and emergency services. As the team races to uncoverthe culprits, they learn the group responsible is a radicalaccelerationist movement fixated on resetting society.
Watson's biohacker friend Hobie returns when he rushes his newgirlfriend to the Holmes Clinic after they partake in agene-editing experiment that goes wrong; Watson becomessuspicious of Sherlock.
The team races to an Antarctica research base to investigatewhy a climate scientist killed a colleague on Polar Night Eve– and make it out before their plane engine freezes andthey're trapped in darkness for six months.
Mackey is enlisted to run a secret solo investigation into thedisappearance of her boss' son and his girlfriend. But when avan turns up with the girlfriend's body inside, it's all handson deck to locate the boss' son – who is either in gravedanger or a killer.
Tensions rise in the bunker, and Victoria becomesJason's casualty; while Donald and Kyle plan theirescape, Eli is questioning the new press secretary'sintentions.