When perfectionist Lydia Winnick's world collides with her infuriatingly attractive and cocky boss, Callum Scott, during a fateful flight to Costa Rica, sparks fly in more way than one.

On her way to celebrate her sister's destination wedding at a resort, Liddy slips up and makes a terrible mistake. Then her life takes an unexpected turn when Callum shockingly covers for her, forcing them to pretend they're dating. With an heirloom wedding dress lost in transit and a web of lies spinning out of control, they embark on a week-long misadventure that blurs the lines of fiction and reality.

As tensions rise and attraction simmers to a boil, Liddy discovers a side of Callum that challenges her perceptions. Yet the more their connection deepens, the tighter the knot of deception becomes. Can their growing bond withstand the heat, or will the tangled web they've woven unravel in a blaze that could wreck her sister's happy day?