A little girl sitting on the steps of the famous Browns Bachelors Club says she's waiting here for her dad. What a scandal! Sir Colin Lambert suspects that this baby is the fruit of his relationship with an extravagant actress. However, only the mistress’s milliner, the innocent and sincere Prudence Philby, can confirm or refute these suspicions. However, she doesn’t really know anything, but she is ready to help Colin find answers to his questions...Together they go in search of the runaway actress, and every day it becomes more and more difficult for them to fight the ardent passion that imperiously draws them to each other...