Mr. Benedict and Number Two’s plan to subdue Dr. Curtain backfires. After arriving at the compound, The Society regroups to rescue their captured comrades. Meanwhile, Dr. Curtain hosts a celebration to announce his plans for global expansion. After Sticky cracks the method behind Dr. Curtain’s happiness technique, the kids struggle to devise a plan to reverse the effects before all is lost. The Society then attempts a daring escape and find themselves fleeing with a surprising companion in tow.