Naman Ramachandran New York-based Scottish filmmaker Charlotte Wells’ feature debut “Aftersun,” premiering at Cannes Critics’ Week, aims to achieve a balance of joy and melancholia in equal measure.Framed as a look back at a father-daughter holiday at a Turkish resort in the late 1990s, with occasional mini DV footage adding to the period texture, the film is an ode to nostalgia with hints of something far darker.Wells’ first short, “Tuesday” (2015), was about the loss of her father, which happened when she was a teenager. “I wanted to explore a different period in that relationship, like a young father and his daughter on holiday.