The Penguin investigates the sinking of three Russian cargo ships.; Jeff is hired to deliver a load of silks.; A ship rescues some downed fliers.; Duan is grabbed by a pair of men one of whom switches boots with Duan.; A dying pilot reports his squadron was wiped out by giant floating heads.; Southpaw is set up with a boxer using non-regulation gloves.; Sun-li risks her life to destroy a Japanese supply train passing through her Chinese village.; Guy is hired to look into a string of victory bond thefts from people's homes.; Professor Punk explains his invention to help the military.; Barnacle Bull tows a target out.; A soldier with a smelly cigar is ordered out of a fox hole.