"Seven days. Six strangers. One experimental drug"--Cover.
Summary
Washed-up musician Amanda Pearson thinks her fame is over when her manager calls with a mysterious opportunity: spend 1 week at an isolated mansion with 5 strangers to test an experimental drug. Five of them will receive a placebo, while one will receive the drug--which they are assured has no side effects, and everyone will be under constant observation. The pay is too good to be true... but it soon becomes clear the experiment is far from ordinary.