A life of tragedy is recounted in Memoir of a Snail, a melancholic stop-motion animated film for mature audiences from writer/director Adam Elliot (Mary and Max). Following the death of their closest friend, Grace (voiced by Sarah Snook of HBO’s Succession and Netflix’s Run Rabbit Run) frees one of her pet snails. From the time it takes the snail to leave Grace and arrive to its garden destination, Grace reflects on her life leading up to this heartbreak;…