When thirteen-year-old Johnny's specially programmed computer, Kovac, detects an extraterrestrial signal, his life is set to change for ever. But his search for answers take him beyond Earth and into an adventure through time and space where he visits new worlds, meets aliens, and discovers the truth about his parents and who he really is.

When 13-year-old Johnny's talking computer Kovac detects an extraterrestrial signal, his life is set to change for ever. Until then, stuck in his children's home in Castle Dudbury New Town, with the cook Mr Wilkins watching his every move, football had been his only escape. But soon things start happening around him that Johnny doesn't understand.

Invaders have exploded the sun's nearest star. Will the death of Earth's sun be next? While trying to keep up with his school studies and ensuring his football team stays top of the league, it's Johnny's job to safeguard planet Earth.