兄弟失散，相见后却行同陌路。两个自幼相依为命的兄弟，哥哥被黑道老大领养，一心想把他培养成自己的接班人。弟弟在孤儿院长大，成了警界精英。为了追查跨国诱拐女子一案，弟弟成了卧底，打入黑帮内部。此时，哥哥已经正式接手老大的位置。

A shipowner intends to scuttle his ship on its last voyage to get the insurance money. Charlie, a tramp in love with the owner's daughter, is grabbed by the captain and promises to help him shanghai some seamen. The daughter stows away to follow