Cordelia Blythe is the curator of The Lighthouse Museum on Lilac Island, just off the coast of Massachusetts. She and her best friend, museum docent Elena Luciani, arrive at the annual picnic to find the director, Ray Garneaux, flirting with other women and ignoring his wife, Mary. But when Ray is found stabbed to death with an antique dagger, all eyes turn to his wife. Was she humiliated to the point of murdering him? Or was he killed by Cordelia's brother, trying to protect his girlfriend from Ray's advances? When Cordelia's new boyfriend, police deputy Henry Meade, informs her that her brother is a suspect, she's determined to find the real killer. But will her relationship with Henry survive? Summer Wilson is the author of two, five-star, time travel novels, The Solstice Night and The Surfman. Murder On Lilac Island is her first mystery novel.