S4, E14: While re-visiting an off-world trading partner Lt. Colonel Sheppard (Joe Flanigan) and Dr. McKay (David Hewlett) receive high praise from the beautiful princesses Mardola (Crystal Lowe) and Flora (Anna Van Hooft) who express their undying gratitude for the trade medical assistance and protection Atlantis has provided for the past several years. The princesses beg a further favor asking Sheppard and McKay to accompany their sister Harmony (Jodelle Ferland) designated successor to the throne to the ruins of the Temple of Laros a mandatory rite of passage. Reluctant to jeopardize their otherwise untroubled alliance and anticipating that the third sister will be equally beguiling Sheppard and McKay agree to escort Harmony on a journey promised to take no longer than a day. Their chivalry is challenged upon meeting Harmony a thirteen year old child with high expectations of her protectors. Disheartened Sheppard and McKay nonetheless proceed with their mission unaware that she has enemies and character flaws yet to be dealt with.