Katherine is an English private investigator who has been hired to probe the movements of Michael, a businessman suspected of infidelity. For three days, Katherine follows Michael during his 'business' trip to Ireland, gathering evidence to incriminate him. However, when Katherine meets Tomas, an escort that she hires to provide cover for one evening, she is made realize that she has perhaps interpreted Michael's marital situation incorrectly. What follows is a journey into Katherine's understanding of love, truth and faithfulness. When faced with the reality that her spying will determine Michael's future, Katherine is forced to make difficult decisions that put her own principles to the test.