Waverly thought she had her future figured out, she’d start her medical residency in Toronto after a summer visit to her parents in Taipei. When her plans suddenly change, she makes an impulsive detour to a small Canadian town where she meets local lifeguard Blake. After he saves her from nearly drowning at a beach party, Blake offers to teach Waverly to swim, and as the lessons continue, the two unexpectedly find themselves falling in love.

Commander Emma Green leaves behind her husband and daughter to lead an international crew of astronauts on a perilous three-year mission to Mars.