Warnings and 'suggestions'

While Amy a young and aspiring writer with slight anger issues gets pulled into the middle of a bank robbery hosted by the one and only unholy trinity she blows up (not literally) and surprises while possibly swooning the psychotic big foot, A grumpy crow and a introverted bear. This is my first official story so please give me tips on how to improve on my writing and give suggestions for the story if you would like.