Liam visits his late Grandpa Robert’s neglected grave to say goodbye before moving away. As he cleans the tombstone, he discovers cryptic coordinates etched into the marble. These coordinates lead him to a railway station’s cloakroom, where he finds a locker containing $150,000 and a diary from his Grandpa. The diary reveals that Robert had spent years saving money to help Liam achieve his dream of becoming an aviation engineer, despite his son’s, Liam’s father, attempts to sabotage it.

Grandpa’s Sacrifice
The diary also recounts how Robert’s son, David, stole the money meant for Liam’s education. Undeterred, Robert worked multiple jobs to save again. In his final years, he stored the money in a locker, leaving Liam a message of hope: “Good luck with your future. Love, Grandpa.”

Liam’s Confrontation with His Father
When Liam returns home, he confronts his father, who is angry about the family’s financial troubles. Liam offers to help with the mortgage, but only on the condition that his father quits gambling. David agrees, but when Liam reveals the money, he mocks him, unaware that the money is real.

Liam’s New Beginning
Liam’s father’s gambling addiction leads him to a casino, and Liam uses his inheritance to finally pursue his dream. He enters aviation school, fulfilling the promise he made to his Grandpa: “I won’t let you down, Grandpa…I promise!”