Zaeem Shahzad is a 19-year-old student who enjoys social card games, extreme ironing and watching television. He is considerate and exciting, but can also be very sadistic and a bit unintelligent. He is a Pakistani. He is currently at college. He is average-height with almond skin, grey hair and black eyes. Zaeem's best friend is a student called Albert Henderson. They are inseparable. He also hangs around with Willie Ellis and Jose Thompson. They enjoy going to the movies together.

Alima Zhagufarova is a 19-year-old medical student who enjoys golf, tennis and upcycling. She is exciting and friendly, but can also be very lazy and a bit sneaky. She is British. She is currently at college. studying medicine. Physically, Alima is in pretty good shape. She is average-height with light skin, auburn hair and green eyes. Alima's best friend is a medical student called Dana Rogers. They are inseparable. She also hangs around with Zainab Rivera and Alyssa Mason. They enjoy spreading fake news on Facebook together.

Fatima Almaazmi is a 22-year-old junior scientific researcher who enjoys golf and hockey. She is loveable and bright, but can also be very sneaky and a bit disloyal. She is Emirati. She has a degree in chemistry. She is a vegetarian. She has a severe phobia of feet She is average-height with pale skin, dark brown hair and black eyes. She grew up in a middle class neighbourhood. She was raised by her mother, her father having left when she was young. Fatima's best friend is a junior scientific researcher called Alessandro Rodriguez. They have a very firey friendship. She also hangs around with Sol Edwards and Juanita Richards. They enjoy working on cars together.

Aruzhan Zhakaibekova is a 22-year-old junior manager whose life is dominated by solving the murder of her friend, Sally Wood. Sally was strangled in 2013 and the killer was never brought to justice. She is a Kazakhstani. She has a degree in business studies. She is a vegan. She is average-height with olive skin, auburn hair and blue eyes. Aruzhan's best friend is a junior manager called Edwin O'Quinn. They have a very firey friendship. She also hangs around with a junior manager called Frankie Walker. They enjoy meditation together.