Some like it hot

This history is about a couple of boys who are witnesses a murder produced by a band of gangsters.
They tried to escape but the gangsters followed them. Then they decided dress up as woman, after that they caught a train where a lot of musicians ladies were travelling.
Boys became Josephine and Daphne and became close friends of Sugar.
When they arrived at the hotel an old man fall in love with Daphne, this man was rich and he had a ship.
The guy who was pasing as Josephine, courted Sugar, and he take that the old captain was in love with her friend Daphne to use his boat.
Finally, the gangsters found the two witnesses that they want in the same hotel, but they got to escape with Sugar and the old man.