After carrying out a flawlessly planned hit, Jef Costello, a contract killer with samurai instincts, finds himself caught between a persistent police investigator and a ruthless employer, and not even his armor of fedora and trench coat can protect him.

Tom chases Jerry into a fish cannery; they get sealed into cans. Tom breaks out, but falls off a pier as the cans roll under him. A shark chases him out of the water; Tom drops an anchor on the shark. Meanwhile, Jerry has been hopping in his can; Tom opens it, and puts his finger in, which Jerry bites. Jerry tricks Tom into falling off the end of another pier, and right into the shark's path again. The shark manages to get Tom into a very precarious position, barely holding the jaws apart. Jerry takes pity, and dumps a shaker full of pepper into the shark, which ends up on the processing line and stuffed into a huge can. Tom is unrepentant, so Jerry tricks him with a fake shark fin.

An old bearded man wearing a raincoat walks into a bar and sits down, placing a mysterious box next to him. The other patrons try, with varying success, to find out what's inside. Preserved by the Academy Film Archive in 2003.