At a Hawaiian croquet tournament, Jonathan and Jennifer stumble into a nest of spies competing for a list of Russian agents.
The wagon train comes across a devastated wagon party where they find Renaldo, a wounded member of the attacking comancheros who was left to die by his comrades.
Sister Bertrille tries to save a playground.
The men from U.N.C.L.E. travel to India to help a beautiful French chemical expert solve the mystery of why the jungle is dying.
Guarding a Cabinet member's daughter in Mexico turns dangerous when she buys a ceramic mask full of heroin.