One Last Treasure Hunt

On her twelfth birthday, Molly Murphy is pulled away from her party by her mother and her grandfather, Don Polehaus, who have a surprise for her: a gift from her father, Tyler, who died three years earlier. A few weeks before his death, he left Grandpa a micro-cassette player, a letter, and instructions to deliver them on this exact birthday. When Molly reads the letter and discovers that her dad has planned one last treasure hunt, like the ones they used to do together, she abruptly refuses and rushes back to the party without explaining why. Grandpa insists the hunt was important to Tyler, so Mom promises to convince her.

Mom persuades Molly to try just the first clue, with the promise that they can quit if it makes her too sad. The clue, a riddle poem, leads them to Trickle Lake, where Molly and her dad once staged a knight's quest for the perfect stone skip. In a hollow of the tree where she once found a pretend grail, Molly discovers a locked box with a key taped underneath, and inside is a cassette. On the tape, her dad's voice greets her playfully, wishes her a happy twelfth birthday, and explains that he wanted to start her big year by sharing one last hunt. Hearing his voice shakes Molly, but she decides to keep going.

The next riddle points to Triple J Antiques, where the shop's newest owner, Jason Whittaker, helps them puzzle out the line about seeing where the floor slopes. Under a loose floorboard in the sagging corner of the old building, they find another box and another tape. Her dad reveals that the shop's former owners, the Allens, gave him his first job and showed him kindness when his childhood was rocky. Good people and good memories, he says, are vital in life - they connect us and change us.

The clue after that sends them, with a hand-drawn map from Jason, to an old tree fort her dad called Wonder World. It looks unimpressive to Molly, but Mom remembers Tyler telling her about it - the place where he learned to imagine and play as a boy. She shares a memory of a date at a cafe where Tyler, deep in pirate jokes, suddenly realized what she was hinting at and shouted to the whole room, "I'm gonna be a dad! Root beer is on me!" Molly is amazed to learn how excited he was about her from the very beginning. Climbing to the fort's "crow's nest," Mom retrieves the next cassette, which contains the final riddle: it will lead Molly to the place where their last merry journey stalled.

Molly recognizes it immediately and directs Mom to the Riley Clemens farm, admitting this is where she and her dad ended their final treasure hunt without finishing it. At a fence with a "No Trespassing" sign, Grandpa suddenly appears. He confesses he has been one step ahead of them all day, planting each clue just before they arrived - which is why the tapes survived in such perfect shape. Then he hands Molly a deed: her dad bought this whole fenced hillside, and it now belongs to her.

Instead of celebrating, Molly bursts into tears and says she doesn't deserve any of it. At last she tells the truth she has been hiding: on that final hunt, after her dad canceled their game for the third time, she screamed that she hated treasure hunts and stormed off. She didn't know he was sick. When she found out, he was already very ill, and she was too embarrassed to apologize before he died. Mom gently admits that keeping his illness a secret was a mistake, and Grandpa urges Molly to walk up the hill alone and let her dad explain the rest himself.

At the top, Molly finds a bench, a beautiful view, and one last box. On the final tape, her dad tells her the hunt was never really about riddles: "Life is a treasure, Mel." It is made precious by fun, by memories, and by the people we love - and he treasured every single moment with her. He asks her to use this hillside as a place to stop and consider the big picture, because life has a bigger purpose than just ourselves, and he tells her he loves her so, so much. Through tears, Molly answers that she loves him too.

Rejoining her family, Molly invites them both to picnic on her hillside someday, then wraps her mother in two hugs - one from herself, and one she announces with "That hug's from Dad." When she asks Grandpa if he wants in on all the sentimental nonsense, he doesn't hesitate: he wouldn't miss it.