Sixth Harmony was the biggest girl group in the world. They had it all. Fame, money, power, you name it. They were on top, until that one fateful day... As member, Kristen Castrada, was driving to pick up her daughter from daycare, she was tragically killed by a drunk driver who crashed into her. In her will, Kristen left her daughter, Hayley, to be under the care of fellow band mates. There's just one problem... The five remaining members all hate Hayley with a passion. So just how does this relationship work exactly? Read to find out.