Watch A Stowaway on the Ship of Fools Full Movie Free Online 123Movies. The story takes place in the Belgrade mental hospital on Guberevac during the WWI, where notable Serbian writer Petar Kočić spends his last years of life. The safety of mental hospital in a war-torn Belgrade is disrupted when the deputy military governor in occupied Belgrade, Kosta Herman, finds out that Kočić is in the hospital and decides to settle old scores with him.