Chase and Kaz are confused about rejoining the EAF, and Daniel and Leo don't know if they should stay. Luckily, Bree, Oliver, Skylar, Angus, Olive, Fletcher, Jesse, and Chyna convince them what the right thing to do is. Kaz returns, his new bionic upgrade really working out, Leo stays, and Daniel go help at the Academy, and Chase moves on to spend more time with his girlfriend. Also an oil spill mission comes up, then afterwords Oliver gets called to England to help his mother and the nation. While in England a complication happens which means the team must put aside their troubles especially with Evelyn Maya and help save their friend's family from an old enemy.