Captain Chloe Sheppard is the younger sister of Lt. Colonel John Sheppard. Following her older brother's footsteps, Chloe joined the Airforce 13 years ago and thanks to her brother, joined the Stargate Programme 4 years ago. Working her way up, Chloe gets to the 'big leagues' when she gets the chance to work as a member of SG1. However, when a chance for Chloe arises to join her brother on the Atlantis expedition, how will things change for Chloe when she says yes? (Chloe/Major Evan Lorne love-story).