The Better Mother By Melissa Hill

Eve knows what she wants. After nine good years and two kids together, it’s about time Liam made an honest woman of her.
Eve’s sister Sam knows more than she should. She’s always thought Eve was too good for Liam. And when she learns the truth about his numerous business trips abroad, her suspicions are confirmed.
Brooke, literally a world away, knows nothing. Until one day, a mysterious delivery arrives and promises to change her life forever.