A traffic WPC is suddenly put in charge of a seemingly straight forward murder case, which gradually becomes more complex and mysterious.

When housekeeper Maria arrives at the house of MP Howling and his wife Lydia, she doesn't quite find things the way she expected. But one day, Maria witnesses a violent attack on Lydia by her husband and things start to take a turn for the better.

Backstage at a London theatre, rivalry turns into suspicion, when one of the cast is murdered during a performance.

Scientist Rita Proops brings her equipment home to start working on the ultimate invention - the time machine. But this causes friction at home with disastrous results.

Mrs Hat is shocked when she bumps into her doppelganger, and ends up following her home. She finds herself literally stepping into her shoes and taking over her luxurious lifestyle.