"The Restless Day" is the fifteenth episode of the Philip Marlowe radio series, originally aired on January 8, 1949. In this episode, Marlowe’s hopes of enjoying a day off are upended when a man presumed dead unexpectedly shows up, seeking Marlowe’s help. The plot thickens as Marlowe is drawn into a suspenseful web of deceit, leading to thrilling encounters and revealing the dark underbelly of the city he operates in.