Sara felt she had turned her life around by marrying Edward. But their relationship comes under strain as they struggle to fulfill their dream of becoming parents. Yet when their best friends' daughter suddenly disappears and her husband begins to act suspiciously, Sara feels her world is collapsing around her. Someone's not telling the truth and Sara is determined to find out who and why. However, tracing the movements of those she suspects brings her closer to home than is comfortable.

One night, Daphne's teenage son Gabriel returns early from a house party, completely distraught. He refuses to let his mother know what's wrong and becomes very reclusive. But Daphne's son is not her only concern. Far from it. Her husband is acting oddly. And she is getting messages from an ex-partner she'd very much rather forget. Her family life seems to be unravelling at the seams, so when Gabriel's classmate Leo gets in touch and promises to help her son, she has hopes she can address at least one problem.

Dana is not in a good place financially or emotionally. So when she finds a bag of money under a bush after dropping her kids off at school, she'd be forgiven for thinking her luck has changed for the better. Unfortunately, things go from bad to worse. She starts getting threatening letters claiming to be from her "number one fan", referring to a time when she was a popular actress on an Australian soap opera. The person writing them knows about the money. Unsure what to do, paranoid and suspicious, Dana is forced to comply with her fan's ever more demanding and bizarre requests.

Alice and Seth are a perfect love story: the handsome doctor and his beautiful fiancée. They’re wealthy, well liked and made for each other—the envy of all their friends. Alice can’t wait for the day of their dream wedding. But when she arrives at the altar, she doesn’t recognise the man waiting to marry her. When this stranger insists he’s Seth, her husband-to-be, the entire congregation seems to agree. Even her parents try to persuade Alice to go through with the wedding.

When 17-year-old Hunter Gifford wakes up in the hospital on the night of homecoming, he’s shocked to learn he and his girlfriend, Chloe Summers, have been in a terrible car accident. Hunter has no memory of the crash, and his shock turns to horror when he is told Chloe’s blood has been found in the car, but she has disappeared. Back at school, his fellow students taunt him, and his former best friend starts making a true-crime documentary about the case—one that points the finger directly at Hunter.