Now that spring has arrived and the snow has melted, Zion and Tate look forward to warmer weather, more customers and time to explore the beautiful Sierras. Logan is doing well in his final year in school and Zion is about to open the coffee kiosk. Everything is running smoothly.Until Lorenzo Whitefeather summons Tate to the Acorn Casino with a mysterious death he needs help solving before the federal government gets involved. Zion doesn't like Tate entangling himself with the taciturn, intimidating casino boss, so she insists on helping him solve yet another mystery.So much for leaving the mean streets of San Francisco for paradise.