Lark Dubois is an up-and-coming classical French singer. After finding her long-lost father in the United States, Lark is shattered when she witnesses his murder only months later. Undercover and alone, Lark, disguised as Sarah Reeves, puts her life on hold to find her dad's murderer and bring him to justice. Along her journey, she runs into Isaac Kyle, the homicide detective on her dad's case. A mutual attraction grows as they get to know each other, only Isaac thinks Lark is a simple college student, not a witness to a man's murder. Should she fight her growing attraction to him? Or should she come clean?
 
Isaac Kyle is a homicide detective for the Santa Barbara Police Department. He is intrigued by Sarah, a woman his younger brother befriends at college. Isaac's intuition is telling him to keep his distance, but his heart won't listen. Between the stack of murder cases piling up on his desk and the mysterious Sarah, he doesn't have the strength to resist her. Can he trust her? Or should he listen to the warning voice in his head that says she isn't what she seems?