After the death of two close friends, Ben Miller created a unique form of bike racing to raise money for mental health. Riding 4 person, "quad-tandem" bikes, Ben and 3 lifelong companions have ridden thousands of kilometres to help spread their message. Now they embark on their greatest challenge yet, organizing an 800km race with 5 teams from around the globe. Difficulties arise and friendships are tested, but the group is determined to accomplish their goal and reach the finish line.