"The Nest" is a new kind of cozy, with a fresh take on a classic setup; a breezy adventure mystery, set in the present day. Herman and Teddie (n e Theodora) are a playful, affectionate couple in their sixties who alternate the narration in first-person voices. One morning, they discover the body of the landlord under their apartment's balcony. Everyone says it was an accident, but the homicide detective believes it was murder, and starts...