In Smilin’ Jack – Episode 4, Jack faces one of his most dangerous missions yet. After uncovering a secret enemy plot to sabotage a critical supply route, Jack is tasked with escorting a convoy of cargo planes through hostile airspace. Along the way, he faces relentless attacks from enemy fighter planes determined to stop the mission at any cost. With his squadron scattered and the convoy under fire, Jack must rally his team, strategize on the fly, and find a way to protect the valuable cargo. This episode is packed with intense aerial dogfights, heart-pounding suspense, and Jack’s leadership as he risks everything to keep the supply line open and ensure the mission’s success.