In this 3rd installment Alex’s interest for Ninja missions is starting to vanish. He’ll rather spend his time with his friends and Checkered Ninja feels he is overlooked and is eager to engage in a new mission. The result of this is that Alex, by accident, ends up having a conflict with Marco, the bad boy boyfriend of Jessica, entangling him in a conflict he hasn’t asked for and he is pressured by Checkered Ninja to defend himself.

忍者娃娃與艾力克斯再度合體！因為大壞蛋艾普明即將從曼谷監獄獲釋，艾普明為了脫罪不惜動用律師消滅證據，關鍵證人們因此身陷危機！忍者娃娃這次以充滿愛心圖案的紅色格紋重出江湖，藉著艾力克斯家庭旅行一路殺到泰國，必須在證人們被滅口前搶先一步重新搜集證據！
在危機四伏的公路冒險旅程中，每次危機都是忍者娃娃和艾力克斯對彼此情感與信任的挑戰！且看他們在過程中如何學會不囿於外在的膚淺表象，看透人事物內在的真實本質，他們又是如何發現若只著眼於目標與結果，就會錯過與彼此共同經歷的每個瞬間？
這不只是部給兒童與青少年觀眾的動畫，更是部充滿冒險元素的公路電影。隨著劇情跌宕起伏，忍者娃娃與艾力克斯將帶領觀眾穿梭泰國繽紛喧鬧的街道，共同面對那些在任何人生階段都可能出現的疑惑與困境，展開前所未有的跨國歷險！

着了魔忍者娃娃队与一个十几岁的男孩，以报复一个可怜的孩子工厂工人的谋杀。