Adeline, Getting Even (Iron Ladies Book 1)

Adeline and Riley weren't oil and water; they were matches and gasoline. Adeline is strong-willed and uses her skills as a P.I. to break lying, cheating men. Riley is a protector, and when he discovers the Mayor is abusing his sister, Riley’s quiet shell is cracked. Now, these two opposites must work together to bring the Mayor down.