一名怪点子特多的发明家，带着两个孩子驾驶一辆老爷车出外度假，碰到连篇怪事。不久，孩子们祖父竟遭绑架，孩子们也成为歹徒觊觎的目标。此时老爷车开成了可以飞天下海的万能车，带领发明家去拯救亲人。

Survivors of a tragic shipping collision are rescued by a mysterious black ship which appears out of the fog. Little do they realise that the ship is