If you knew her a novel

When young, beautiful Cassie Jensen arrives unconscious to the intensive care ward at St. Catherine's hospital after being struck in a hit-and-run while out walking her dog, chief nurse Alice Marlowe thinks she looks familiar. She starts digging deeper into Cassie's relationships, only to discover something about her patient that she'd been keeping secret from everyone, including her devoted husband and family. Soon Alice finds herself obsessed w...