When Clank is ensnared in a plot by the evil Dr. Nefarious, Ratchet must push himself to the limits to rescue his best friend. The longer this dynamic duo is separated, the greater the peril that threatens the universe. Embark on a journey through space and time as you take on the roles of both Ratchet and Clank and attempt to reunite the separated friends and, in doing so, discover the secrets that lie at the heart of their very existence.