In 'Whose Diary Is It Anyway?', players step into the shoes of Alex, a quirky amateur detective with a knack for unraveling secrets. While attending a high-society gala in a grand mansion, a mysterious diary is discovered, containing scandalous entries from various guests. As Alex, you must navigate conversations, gather clues, and piece together the fragments of secrets that intertwine the lives of the attendees. Each choice and dialogue impacts your standing with the characters and alters the unfolding drama around you as you race against time to identify the diary's owner before the night spirals into chaos.