Carrie O'Connor is a good mother. But when bipolar disorder overtakes her brain, she starts to do things that even she can't believe she is doing at the time. It's all part of the roller coaster ride, however, as her disease takes her to the brink of criminality and beyond. When she ends up in a mental institution, this formerly normal young housewife learns that the line between sane and not can sometimes be quite blurry.