A toxic friendship plunges a family into chaos in an explosive new psychological thriller by the bestselling author of The Landlord and The Exes . After fifteen years of marriage, Adrian and Steph Wall's relationship is in crisis. But their troubles multiply when their teenage daughter falls under the spell of Scarlett, a charismatic teen with a knack for shoplifting, joyriding-and secretly triggering tragic "accidents." Steph worries from the start about Scarlett's negative influence on their daughter. But when Adrian discovers the girl's connection to a powerful figure who could make or break his career, he's torn between ambition and protecting his family from Scarlett's growing menace. As danger escalates and lies unravel, the Walls must confront their deepest fears and darkest secrets to save their family. Can they overcome the sinister forces threatening to rip them apart-or will bad influences destroy their family forever? A pulse-pounding drama of betrayal, redemption, and the harrowing depths of familial bonds tested to their limits, Bad Influence will keep you on the edge of your seat until the final, heart-stopping revelation.