The official synopsis for the second season is was as follows:
Ozark continues to follow Marty Bryde and his family as they navigate the murky waters of life within a dangerous drug cartel. With Del out, the crime syndicate sends their ruthless attorney Helen Pierce to town to shake things up just as The Byrdes are finally settling in. Marty and Wendy struggle to balance their family interests amid the escalating dangers presented by their partnerships with the power-hungry Snells, the cartel and their new deputy, Ruth Langmore, whose father Cade has been released from prison. The stakes are even higher than before and The Byrdes soon realise they have to go all in before they can get out.
Ozark stars Jason Bateman, Laura Linney, Sofia Hublitz, Skylar Gaertner, Julia Garner, Jordana Spiro, Jason Butler Harner, Esai Morales, Peter Mullan and Lisa Emery.