Dr. Elizabeth Lense has left the da Vinci, returning to Earth to have the child conceived in another universe. But she arrives home to find that her estranged mother - renowned archaeologist Jennifer Almieri - is dead, and the investigation into her death is being handled by Starfleet. Soon Lense finds herself entwined in a web of intrigue, where everything she thought she knew about her mother is called into question. Two crew members face major crossroads in their lives...