Not every ending is happy.
Gwen Justice was the eldest sister. The mother. The sinner. The one with an asshole boyfriend she thought she would never escape.
She loved Charlie Estes once. Could have been happy. But then life got in the way, even though he wasn't deployed in the Army anymore.
When Charlie showed up on her doorstep, claiming he loved her, Gwen gets thrown into the past, causing her to reflect on her life before she made the decision that led her to rock bottom.