When a sick Green Steve shows up in the Rainbow Quest world, Sabre is once again faced with a problem. He must find a way to cure the infection that destroyed most of the steves in his old world, all while dealing with secrecy, trust, and his own past mistakes. What he doesn't know is that trouble lurks in the shadows, waiting to attack. Can Sabre and his friends cure the sickness and uphold their fragile trust? Or is history doomed to repeat itself?