Was made in 1976, disguised and temporarily operated as a fish boat to gain trust from the authorities, and in the fateful night of 16th September 1977, along with goods and passengers Tự Do set sail, leaving behind Phú Quốc Island. Throughout its 34 days long voyage, moving along the islands of the Gulf of Thailand, escaping from pursue from different parties, arrived in and refused entry and many places, stops for resupplies, saving another refugee boat from running aground, and eventually arrived in Australian sea and taken in by the local authority. Later on, Tự Do was sold to and purchased by a local named Peter Commander, which served as his families housing and trading tool. In 1985, realising the boat is no longer enough for his growing family, Commander decided to sell it, and the purchaser renamed Tự Do into We Believe. Finally, in 1990 the Australian National Maritime Museum (ANMM) purchased the vessel and began to search for the people and the story hidden behind it. Five years later in 1995, Tự Do has finally met its original owners after nearly 2 decades of sailing. In 2003, Tự Do was returned to its original appearance and configuration through Lu's family's information. In 2005, the Lu family celebrated Refugee Week on Tự Do while spreading flower petals to commemorate the day and moment. In 2021, Tự Do has its final sail in Sydney Harbour with the help of another vessel, ending its final journey as a water vessel. Nowadays, Tự Do is preserved and displayed as an exhibit that commemorate the migration history of Australia at ANMM.