Mrs. Sidhu is a high-end caterer with a taste for crime. Recently widowed, she juggles her new catering business with encouraging her wayward son Tez to find his passion, all while serving up justice to those who believe they are above the law. Her forays into sleuthing see her form an unofficial partnership with long-suffering divorcee DCI Burton who reluctantly accepts that together they're an unbeatable crime-fighting duo, much to the bemusement of his partner, DS Mint.
Mrs. Sidhu's first day catering for Sharpetone, a high-end health club, takes a turn of the unexpected when two bodies are found dead in the spa. Despite her knack for solving mysteries, Mrs. Sidhu tries her best to stay out of it. But when her niece, Rani, becomes the police's number one suspect, Mrs. Sidhu takes it upon herself to start her own investigation and prove them wrong. This brings her into conflict with the Chief Detective on the case, Inspector Burton, who has no patience for her theories. Her investigation leads to uncovering business secrets, feuds between colleagues, and well-hidden love affairs.
Mrs. Sidhu's knack for crime solving is put to the test again when she and Tez cater for the convention of hit fantasy TV show, Swordmaster, written and created by the Melville family. But when life imitates art and one of the lead cast is found dead in the woods, killed the same way another character was murdered in the show's previous seasons, things go from fantasy to reality very quickly. When Mrs. Sidhu is asked to stay on and cook for the Melville's while they grieve, she can't help but find suspicious clues. Much to his dismay, Mrs. Sidhu is reunited with Chief Inspector Burton. His theories of who the killer is don't match up with hers, and his reluctance to hear her out leaves her no choice but to start her own investigation and prove him wrong.
Mrs. Sidhu is asked to be an in-house caterer for a software company called Appenda, located in Berkshire's renowned technology hub. But the company's sterling reputation is threatened, and Mrs. Sidhu's interest piqued, when Appenda's CEO is found dead, strangled at his desk the night he signed a deal to sell the company. Mrs. Sidhu has Chief Inspector Burton's ear on the case, and together they work to crack it, determined to catch the murderer before they make their next kill. Meanwhile, Tez gets himself into trouble with a young entrepreneur.
Boxing fanatic Tez is thrilled about Mrs. Sidhu's latest catering gig at a major boxing championship match, located in the garden of a luxe Berkshire manor. But when an up-and-coming boxer is kidnapped and held at ransom, Mrs. Sidhu finds herself once again at the heart of an investigation. Cracks begin to show in the boxer's team as the pressure builds to find the money to free him and bring him home. With Burton involved in a life-threatening accident, Mrs. Sidhu enlists Mint's help to find the kidnappers, and rescue the boxer from his impending death.
