The Billionaire's Broken Darling

Noelle Sinclair is left broken, battered, and barely breathing after her entire family is assassinated.
She was the only survivor in her family, she finds herself abandoned by her fiancé, Scott, who admits his love for her was tied to her family's influence and her best friend, Shantelle, who openly had an affair with her fiance.
Everyone she knew suddenly turned their backs on her and refused to have any kind of association with her.
With no one to turn to, Noelle is rescued by Adrian Monroe, a mysterious figure who claims to have ties to her family's business.
Adrian takes her in and offers to help her with the investigation of her parents assassination.
In order to investigate her family's assassination herself she needed connections to do so but only has access to her trust fund when she is married.
Noelle asks Adrian to get into a marriage contract with her and he agrees.
But as the investigation deepens, Noelle and Adrian begin to fall in love with each other.
She discovers Adrian's involvement in her family's death.
Or was it a misunderstanding?