Part One

After a long week of adventures, Dipper and Mabel needed a break. Once they got rid of the government agents, they found a small hourglass at the museum and Stan decided to keep it for Mabel. The hourglass has more secrets than meets the eye. But one small fight can possibly change the twin's relationship forever. Can Mabel fix her mistakes and save her brother? Or will he fall into the hands of the Master?