Henry T Dalrymple is the best detective in the entire River Dell district. Together, he and his partner, Octavius Sinclair, operate a successful Private Investigation service. Nothing unusual about that - except for the fact that Henry T is a mouse. Faced with his biggest case yet, Henry T and Octavius join forces with Lady Isis and Sir Horus North and their cat Miss Fritzelle to search for the mysterious Golden Eye of Huni. Along the way, Henry T undergoes many trials in order to fulfil his true destiny - to become the Chosen One and save the world from the fiery destruction of Sekhmet and her Shadow People.