As Kai begins his Wu Assassin training, more mundane concerns find him turning to Lu Xin for a favor. Jenny prepares for her exacting parents to visit.

A risky power play puts Uncle Six at Kai's mercy. An unburdened Tommy attempts to get his life together. Zan makes her Triad ambitions known.

Kai tries to stop McCullough from achieving his endgame as the five Wu pieces -- fire, wood, earth, metal and water -- inch ever closer to reuniting.