Twenty-one days postpartum, Sophie is seconds from eating a meal her husband Victor cooked—only a voice inside her newborn daughter Mia's head stops her. She soon learns Victor holds a $2M life policy on her, and his secret lover is her own sister Bella. Guided by mind-reading Mia, Sophie plays along: flushing the food, faking sickness, feigning sleep to catch the pair red-handed. Digging out the policy hidden under the mattress, she resolves to escape with her baby before it's too late.