Lucifer and Chloe are tasked with solving the murder of a prominent restaurateur. When they meet his son, they suspect he played a part in the death. Meanwhile, Chloeâs mom, Penelope (guest star REBECCA DE MORNAY), returns home, sending Chloeâs life into upheaval, as Lucifer learns his own dysfunctional family isnât nearly as unique as he thought.