Five entered the escape room. Only four came out alive.

Lisa Ashton is given a last-minute reprieve from death two weeks before her birthday. When she regains consciousness, she is horrified to learn one of her friends has been killed - and saved her life.

As she pieces together the events leading up to her life-saving transplant, she uncovers a trail of carefully guarded reputations, disturbing rumours, and lies. Soon, Lisa begins to wonder if one of her friends is hiding a terrible secret.

Because there were five of them in the escape room that day, and only four got out alive.

And someone is determined to cover their tracks before she can get to the truth.