Successful doctor Raven Fields finds herself drowning in work and looks to hire an assistant to help with her day-to-day. Taking a chance on a young and cheery woman, Raven believes she's found the perfect candidate until assistance turns into obsession, and she risks losing everything, including her life.

When Karina becomes friends with Lena and her daughter Mallie, she begins to suspect that Mallie isn’t Lena’s daughter at all, but a girl named Emily who was kidnapped from her biological parents several years prior.