Hawke. Must Love Danger, #1

SAVING A LIFE CAN BE DEADLY!Navy SEAL Hawke Turner is in the protection business. Emilia is a close friend from his past. When her life is threatened, he vows to rescue her and calls on the strength of his team. He risks it all for Emilia and to save a child's life. Emilia Draper's younger sister died of a rare disease, a loss she feels deeply. She has devoted her biotech career to finding the cure.
Yet on the verge of delivering a new drug to save a dying girl, a vicious enemy will kill to block her from achieving her goal. Deadly harm surrounds Emilia and a young girl's life hangs by a thread. As danger closes in, Hawke's possessive side surges. He hadn't expected to lose his heart. But in this steamy friends-to-lovers romance, he is in deep.