Harley Quinn's twin sister (suicide squad fanfic)

Sammy Quinn is Harley Quinn's twin sister.
They look a like but they're almost total opposites.
Sammy is darker in color and mood, she's an assassin, and she's a bit crazy.
Harley is color, crazy asf, and has a big thing for fighting loudly.
Sammy gets caught for a crime and put in the prison that the suicide squad gang had been in.
When a new enemy a rises, Amanda finds Sammy and puts her in suicide squad.
She finds her sister after years and even with their differences, will they find a way to work together?
Will the suicide squad find victory once again?