What is reality and can you believe what you see?
This is what Idris Rees must face after his life is changed beyond belief after being given a mysterious software program by an enigmatic stranger.
Finding himself in other worlds, initially not knowing whether they were virtual or real, he struggled with the moral quandaries he finds. Overwhelmed by some of the dilemmas he encountered, he found himself compelled to think through more carefully how he dealt with ethical issues - even if, as it appeared, they only existed in his imagination.
Then there was the mysterious programmer, Emrys (the Welsh form of Ambrose, given to Merlin), derived from the Greek name Ambrosios, meaning immortal. Was he the legendary bard and wizard and had he indeed discovered the secret of living forever? Had he tasted Ambrosia - the food of the gods?