Bill, a widowed single dad, has urgent bills to pay when he rents out a room in his apartment to Karla. Karla left home to study law and, in need of cash, begins working as a cleaner for a doctor and his wife. But inside their palatial house it's clear that something is wrong with the wife who never leaves her bedroom. Jennica is single and career-less when she meets her perfect match on Tinder. But just as she thinks her luck is changing, she finds out that he is hiding secrets of his own . . . In a few short weeks, the doctor and his wife will be found dead in their home and the questions will begin . . . Ordinary people will do things they never thought possible when faced with extraordinary circumstances, and the woman inside the house will hold the key to it all . . .