Johnny and Daniel’s dojo – and their fragile alliance – teeter on the brink of collapse when they agree to a winner-takes-all sensei showdown.

In Okinawa, Daniel spends time with an old friend — and an old enemy, who has much to teach him. The dueling dojos’ rivalry comes to a nasty head.

Daniel struggles to help a new student learn. Miguel makes a new connection, while Johnny tries to repair a relationship. Tensions between the two dojos build to a breaking point.

Daniel tries to strike a shady deal to undermine Johnny’s dojo. Meanwhile, Johnny expands his enrollment ranks in the dojo. Miguel puts his karate practice into reality as Samantha faces…