Your best friend killed a man. Now, she needs your help. But can you really trust her motives? Her Last Holiday meets Thelma and Louise. Emily is on holiday with her best friend, Kristen, in the stunning mountains of Chile. It's heaven on earth - until, on the last night of the trip, Emily enters their hotel suite to find it covered in blood. Kristen claims a backpacker attacked her. She shouted, but no-one heard. She struggled, but he was too strong. She had no option but to kill him. With no evidence of the assault, Emily must help her hide the body. . . But, as the walls close in on their cover-up, Emily asks herself- can she really trust her closest friend?