Sarah Curren, an emergency room doctor, receives a call from her husband Harrison about a "canceled flight" during a surgery break, unaware he's actually at a hotel with her sister-in-law Mandy. Later, Harrison is hospitalized in a coma due to expired medication, revealing the truth to Sarah. Heartbroken, she also discovers her miscarriage was caused by Harrison and Mandy. Determined to reveal their betrayal, she exposes the scandal at Mandy's wedding to Harrison's brother...