What The Nanny Saw by Lindsay Hartley

6.20

When nanny Kim accidentally discovers that her employer, Steven, is having an affair with his kids’ Spanish tutor, she decides to keep it to herself so as not to risk splitting his family apart. But when Steven’s mistress is murdered and he tells the police that he hasn’t seen her in months, Kim realizes she’s the only person who knows he’s lying and she’s determined to learn why.