The series, described as being "set against a sweeping Cornish landscape", delves into the lives of two couples - Pete (James Norton) and Maddie (Niamh Algar), and Miles (James McArdle) and Lucy (Jessica Brown Findlay) - who discover their toddlers Theo and David were switched at birth.
Cornwall Live reports James Norton, who also took on the role of executive producer, stated that Cornwall is "very much intrinsic to the series" and praised the county as "very beautiful".
Playing Nice filming locations across 'very beautiful' UK setting The upcoming psychological thriller Playing Nice, is set to air on ITV but where was this gripping drama shot?.
During the shooting schedule, the production team set their scenes in picturesque Cornish locations, capturing the beauty of St Ives and Padstow, with Mawgan Porth Beach providing the perfect setting for surfing sequences.
Poppy Gordon-Clark, the locations manager who also lives in Cornwall, had a keen sense of which cliffs, beaches and sites would make ideal filming spots.