Sylvie Johnson's drive to London is thrown into chaos when an anonymous caller informs her that a bomb has been planted in her car. Trapped and cut off from any outside help, Sylvie is forced to follow the terrorist’s instructions, her every move watched, and with no choice to deliver the ticking bomb to its target — the Royal Albert Hall. Sylvie must confront her deepest secrets, use all her wits to survive and uncover why, of all people, she’s been entangled in this elaborate terror plot.