Gwen Stacy is an aloof girl living with her roommate MJ, content to beat up thugs, attempting to follow in her father's footsteps. But after she becomes a target of gangsters led by the Don, many superpowered criminals on the loose, the return of a childhood friend, and a rich widow's decade-long plot, Gwen finds herself entangled in a conspiracy bound by her late father's legacy.

Melody helps out at a bat conservation, and studies these creatures up close. However when one experiment goes wrong, she finds herself in the body of a bat and accidentally gets deported into Canada. Befriended by a young silverwing bat, Melody is faced with the brutal harshness of the 'survival of the fittest.' (Story follows the TV show).